Self - Narrator (76 episodes, 2006-2020)
Self - Narrator / Narrator / Self (56 episodes, 2010-2023)
Self - Narrator / Narrator (32 episodes, 1992-2006)
Self - Narrator / Narrator / Narrated By (26 episodes, 2012-2024)
Self - Narrator / Narrator / Self (26 episodes, 2004-2015)
Narrator / Self (narrator) / Self - Narrator (24 episodes, 1988-2009)
Narrator / Self / Self - Narrator (22 episodes, 2002-2008)
Self - Narrator / Narrator (19 episodes, 1999-2009)
Narrator / Narrator - World War II Veteran / Self - Narrator (14 episodes, 1989-2014)
Self - Narrator / Self / Narrator / Self - Harvey Mudd College / Self - Host / Host (13 episodes, 2018-2022)
Self - Host / Self - Technology Reporter, New York Times / Self / Self - New York Times Tech Columnist (13 episodes, 2011-2021)
Self / Narrator / Self - Narrator / Self - narrator (12 episodes, 2022-2024)
Self - Narrator / Narrator (9 episodes, 1996-2006)
Self - Narrator / Self - Host / Reporter / Self / Self - Correspondent (8 episodes, 2013-2024)
Self - Narrator (8 episodes, 1979-2005)
Self / Narrator / Host / Self - American Museum of Natural History / Self - American Museum of Natural History, Hayden Planetarium / Self - Narrator / narrator (8 episodes, 2004-2018)
Self (narrator) / Narrator (8 episodes, 1978-1993)
Self - Narrator / Self - Presenter / Self - Host (8 episodes, 1997-2022)
Self / Self - University of Maryland / Self - Brown University (7 episodes, 2011-2021)
Self / Co-Hist / Co-Host / Self - New York University (7 episodes, 2016-2018)
Narrator / Self (7 episodes, 1998-1999)
Narrator / Self / Self - Host / Self - Host, Columbia University / Self - Presenter (7 episodes, 2003-2011)
Self / Self - Director, Space Telescope Science Institute / Self - Director: Space Telescope Science Institute / Self - Telescope Scientist, JWST, The Assoc. of Universities for Research in Astronomy (7 episodes, 2009-2023)
Self - Harvard-Smithsonian Center for Astrophysics / Self (6 episodes, 2021-2024)
Self - Narrator (6 episodes, 1996-2018)
Self - Narrator (6 episodes, 2001-2010)
Self - Narrator / Narrator (6 episodes, 1974-2001)
Narrator / Dr. Robert Darwin / Self (6 episodes, 2004-2009)
Self - Astronomer at Cornell University / Self - Cornell University / Self - Lead Science Investigator, MER / Self - Lead Science Investigator, Mars Exploration Rovers / Self - Participant / Self - Principal Investigator, Opportunity (6 episodes, 2004-2019)
Narrator / Self (6 episodes, 2003-2004)
Self / Co-Hist / Co-Host (6 episodes, 2018)
Narrator (5 episodes, 2011-2014)
Self - Narrator (5 episodes, 2019)
Self - University of Georgia / Self / Self - expert (5 episodes, 2013-2023)
Self - Massachusetts Institute of Technology / Self - MIT / Self - MIT Physicist (5 episodes, 2011-2021)
Self - George Mason Universty / Self (5 episodes, 2021-2024)
Narrator / Self / Self - Narrator (5 episodes, 2009-2017)
Narrator / Self (5 episodes, 2020-2022)
Self / Self - Columbia University / Self - Narrator / Self - Theoretical Physicist (5 episodes, 2011-2018)
Self / Self - Chemist, University College, London / Self - University College London (5 episodes, 2013-2019)
Self - University of Cambridge / Self (5 episodes, 2005-2015)
Self - Institute of Human Origins / Self (5 episodes, 2009-2016)
Self - Chief Astronomer The Franklin Institute / Self / Self - Chief Astronomer / Self - Chief Astronomer - The Franklin Institute / The Franklin Institute (5 episodes, 2019-2021)
Self - Harvard-Smithsonian Center for Astrophysics / Self / Self - Harvard University (4 episodes, 2019-2024)
Self - Sandia National Laboratories / Self - Scientist at Sandia National Laboratories (4 episodes, 2009-2017)
Narrator (4 episodes, 2004-2022)
Self - Host / Hosted by / Self - Denver Museum of Nature & Science (4 episodes, 2012-2024)
Self / Self - Planetary Scientist, Cornell University / Self - Scientist, Cassini / Self - Scientist, Cassini-Huygens (4 episodes, 2017-2023)
Self - Harvard-Smithsonian Center for Astrophysics / Self / Self - Associate Professor of Astronomy (4 episodes, 2010-2021)
Self - Narrator / Translation voice (4 episodes, 1998-2004)
Narrator / Self (4 episodes, 2006)
Self / Self - Lead Engineer (4 episodes, 2012-2016)
Self - Harvard University / Self (4 episodes, 2005-2018)
Self / Self - University of Oklahoma (4 episodes, 1985-2013)
Self / Self - Geneticist, Max Planck Institute / Self - Max Planck Institute / Self - Max Planck Institute - Leipzig (4 episodes, 2002-2013)
Self / Self - Entry Descent and Landing Lead, Mars Science Laboratory / Self - Landing Systems Engineer, Jet Propulsion Laboratory / Self - Mechanical Systems Lead (4 episodes, 2004-2015)
Self / Self - Imaging Team Leader, Cassini / Self - Lead Scientist, Cassini Imaging Team / Self - Planetary Scientist at Space Science Institute (4 episodes, 2011-2023)
Self / Self - Curator of Smithsonian Air and Space Museum / Self - National Air and Space Museum / Self - Smithsonian Air & Space Museum (4 episodes, 2003-2014)
Self / Self - California Institute of Technology / Self - Consolidated Edison / Self - Planetary Astronomer, Caltech (4 episodes, 2010-2019)
Self - Stanford University / CEO / Self / Self - Kitty Hawk Corporation (4 episodes, 2006-2021)
Self - Narrator (4 episodes, 1997-2001)
Self - Harvard University / Self - Paleoanthropologist, Harvard University (4 episodes, 2002-2009)
Self - Associate Administrator, NASA / Self - NASA Associate Administrator / Self - NASA Science Mission Directorate (4 episodes, 2004-2015)
Self / Self - Astrophysicist, Massachussets Institute of Technology / Self - Theoretical Physicist (3 episodes, 2008-2015)
Self (4 episodes, 2008-2014)
Self / Self - Smithsonian Institution (4 episodes, 2009-2016)
Self / Self - Astronomer - UCLA / Self - Planetary Astronomer, UCLA / Self - University of California, Los Angeles (4 episodes, 2010-2020)
Self / Self - Principal Investigator, New Horizons / Self - Principal Investigator, New Horizons Mission / Self - Southwest Research Institute (4 episodes, 2010-2019)
Self / Self - Astrophysicist at STScl (4 episodes, 2010-2015)
Self / Self - Astronomer at University of California at Berkeley / Self - Professor of Astronomy (4 episodes, 2010-2014)
Self (4 episodes, 2013)
Self - Astrophysicist / Self - Harvard University (3 episodes, 2018-2021)
Self - Narrator / Narrator / Self (3 episodes, 2012-2013)
Self - Calligrapher (3 episodes, 2005-2020)
Self / Self - Evolutionary Biologist / Self - Evolutionary Geneticist (3 episodes, 2016-2024)
Self - NASA Goddard Space Flight Center / Self (3 episodes, 2012-2017)
Self - Military Historian / Self (3 episodes, 2013-2017)
Self - American University in Cairo / Self (3 episodes, 2015-2020)
Self - Director Planetary Science Division, NASA / Self - Director of Planetary Science Division at NASA / Self - NASA Planetary Science (3 episodes, 2011-2017)
Self - National Weather Service / Self - National Weather Service, Storm Prediction Center / Self - Storm Prediction Center (3 episodes, 2012-2018)
Self - California Institute of Technology / Self (3 episodes, 2006-2018)
Self / Self - MIT / Self - Massachusetts Institute of Technology (3 episodes, 2013-2017)
Self / Self - Ancient Egypt Research Associates / Self - Egyptologist (3 episodes, 1992-2019)
Self (3 episodes, 1995-2008)
Self - MIT / Self - Massachusetts Institute of Technology / Self - Theoretical Physicist, MIT (3 episodes, 2011-2021)
Self / Self - Univ. of Southern California / Self - University of Southern California (3 episodes, 2011-2015)
Self / Self - McGill University (3 episodes, 2000-2024)
Self - Chief Scientist, Mars Science Laboratory / Self - MIT / Self - Project Scientist, Curiosity 2007-2015 (3 episodes, 2005-2019)
Self / Self - Bird Specialist / Self - Bird Trainer (3 episodes, 2014-2018)
Host / Self / Self - National Museum of Natural History / Self - Presenter (3 episodes, 2017-2024)
Self - KWTV, Oklahoma City / Self (3 episodes, 2004-2013)
Self - Chief Engineer, Mars Science Laboratory / Self - Entry Descent and Landing Manager / Self - Systems Engineering Manager, MER (3 episodes, 2004-2012)
Self / Self - MIT / Self - Massachusetts Institute of Technology - Department of Mechanical Engineering (2 episodes, 2008-2014)
Self / Self - California Institute of Technology / Self - Cosmologist (3 episodes, 2011-2015)
Self - Natural History Museum, London / Self (3 episodes, 2005-2016)
Self / Self - Astrobiologist, Columbia Astrobiology Center / Self - Astrobiologist, Columbia University (3 episodes, 2015-2019)
Self - Haag Engineering / Self (3 episodes, 2004-2013)
Self / Self - University of California, Berkeley (3 episodes, 2011-2015)
Self - Participant / Self - Scientist / Self - University of Arizona (3 episodes, 2005-2012)
Self - Cassini Project Scientist, NASA's Jet Propulsion Laboratory / Self - NASA Scientist / Self - Project Scientist, Cassini (3 episodes, 2010-2019)
Self / Self - University of Pennsylvania (3 episodes, 2013-2016)
Narrator (3 episodes, 1975-1984)
Narrator / (Narrator) (3 episodes, 1981-1995)
Narrator / Self (3 episodes, 1997-1998)
Self (3 episodes, 1998-2005)
(3 episodes, 1998-2001)
Self / Self - Reporter (3 episodes, 2001-2004)
Narrator / Self (3 episodes, 2001)
Self / Self - Commentor / Self - University of Chicago (3 episodes, 2002-2009)
Self - Mars Program, Chief Scientist, Jet Propulsion Laboratory / Self - Participant / Self - Scientist, Mars Program, Jet Propulsion Laboratory (3 episodes, 2004-2008)
Self / Self - Marine Geologist - Oregon State University (3 episodes, 2005-2024)
Self / Self - Harvard University / Self - Participant (3 episodes, 2005-2014)
Self / Self - National Oceanography Center - Southampton (3 episodes, 2005-2011)
Self / Self - Astronaut / Self - NASA Astronaut, Retired (3 episodes, 2008-2015)
Self / Self - Providence College (3 episodes, 2008-2015)
Self / Self - Astrobiologist at Ames Research Center / Self - Participant (3 episodes, 2008-2014)
Self - Paleoartist / Self (3 episodes, 2009-2015)
Self - Columbia University (3 episodes, 2009)
Self / Self - Astrophysicist (3 episodes, 2010-2011)
Self / Self - Astrobiologist at Goddard Space Flight Center / Self - Participating Scientist, Curiosity (3 episodes, 2011-2021)
Narrator / Self / Self - Narrator (3 episodes, 2011-2016)
Self / Self - Fermilab (3 episodes, 2011-2015)
Self / Self - The Univesity of Texas at Austin (3 episodes, 2011-2015)
Self / Self - Stanford University (3 episodes, 2011)
Self (3 episodes, 2014)
Self / Self - Astrophysicist, JWST, NASA Goddard Space Flight Center (3 episodes, 2015-2023)
Self / Self - Project Scientist, New Horizons / Self - Project Scientist, New Horizons Mission (3 episodes, 2015-2019)
Self / Self - Deputy Project Scientist, New Horizons / Self - Planetary Scientist, New Horizons Mission (3 episodes, 2015-2019)
Self / Self - Volcanologist (3 episodes, 2018-2024)
Self / Self - Geologist (3 episodes, 2018-2019)
Host / Self (3 episodes, 2018)
Self - University of Leicester / Self - Co-Investigator, Cassini (3 episodes, 2019)
Self - Lunar and Planetary Institute (3 episodes, 2019)
Self - Host (2 episodes, 2023)
Self - Art Historian / Self - Oxford University (2 episodes, 2012-2019)
Self - Author / Self - Chemist and Author (2 episodes, 2012-2017)
Self - University of Surrey (2 episodes, 2021)
Self - The Wallace Collection, London (2 episodes, 2012-2017)
Self - Author of Biography 'Leonardo da Vinci' / Self - Biographer (2 episodes, 2015-2019)
Self - University of California, Berkeley (2 episodes, 2021)
Self - NOAA Space Weather Prediction Center / Self - National Oceanic and Atmospheric Administration Space Weather Center (2 episodes, 2012-2017)
Self - Door County Forgeworks (2 episodes, 2012-2017)
Self - Carriage Maker / Self - Chariot Builder (2 episodes, 2013-2017)
Self - Southwest Research Institute (2 episodes, 2013)
Self - Harvard-Smithsonian Center for Astrophysics (2 episodes, 2021)
Self - University of Leicester (2 episodes, 2021)
Self - Harvard University (2 episodes, 2013-2019)
Self - Egyptologist (2 episodes, 2019-2020)
Self - University of Western Ontario (2 episodes, 2013)
Self - Apollo 9 Astronaut (2 episodes, 2013)
Self - University of Florida (2 episodes, 2021)
Self - Newcastle University (2 episodes, 2021)
Self - Meteor Researcher / Self - Natural History Museum, London (2 episodes, 2013)
Self - Yale University (2 episodes, 2018-2021)
Self - New Mexico Institute of Mining and Technology (2 episodes, 2013)
Self - Massachusetts General Hospital (2 episodes, 2012-2016)
Self - Jet Propulsion Laboratory, NASA / Self - NASA Jet Propulsion Laboratory (2 episodes, 2013)
Self - University College London (2 episodes, 2021)
Self - Boston University (2 episodes, 2021)
Self - Philologist (2 episodes, 2020)
Self - Optical Engineer / Self - Scientific Director, Lumiere Technology (2 episodes, 2012-2019)
Self - Northeastern University (2 episodes, 2013)
Self - Durham University (2 episodes, 2021)
Self (narrator) / Self - Narrator (2 episodes, 1993-1997)
Self - narrator (2 episodes, 2023)
Self (2 episodes, 2000-2016)
Self - University of Hartford (2 episodes, 2004-2017)
Self - Narrator (2 episodes, 2008-2009)
Self / Self - Archaeologist (2 episodes, 2012-2024)
Self / Self - Association of Renaissance Martial Arts (2 episodes, 2012-2014)
Self / Self - University of Wisconsin (2 episodes, 2013-2015)
Self / Self - Massachusetts Institute of Technology (2 episodes, 2014-2021)
Self / Self - Neuroscientist, Emory University (2 episodes, 2014-2020)
Self / Self - University of Oxford (2 episodes, 2014-2017)
Initiator and Chairman / Self - Pilot, Co-Founder Solar Impulse / Self - Solar Impulse Foundation (2 episodes, 2018-2021)
Self / Self - Co-Investigator on Parker Solar Probe (2 episodes, 2021-2024)
Self - Columbia University (2 episodes, 2005-2017)
Self / Self - University of Utah (2 episodes, 2010-2012)
Self / Self - Symantec (2 episodes, 2014-2015)
Self / Self - Mount Sinai School of Medicine (2 episodes, 2016-2023)
Self / Self - University of Cambridge (2 episodes, 2016-2019)
Self - Planetary Science Institute (2 episodes, 2019)
Self - Cameraman / Self - Explorer (2 episodes, 2005-2012)
Self / Self - Author of Taking Flight (2 episodes, 2006-2007)
Self - NASA Jet Propulsion Laboratory / Self - Participant (2 episodes, 2008-2019)
Self / Self - University of Copenhagen (2 episodes, 2012-2014)
Self / Self - Stanford University (2 episodes, 2016-2019)
Self / Self - Southwest Research Institute (2 episodes, 2017-2024)
Self / Self - University of Cambridge (2 episodes, 2021-2024)
Self / Self (narrator) (2 episodes, 1985-1999)
Self / Self - New York University (2 episodes, 2004-2019)
Self / Self - Vertebrate Paleontologist (2 episodes, 2012-2024)
Self / Self - Costa Concordia Survivor (2 episodes, 2012-2015)
Self / Self - University of Iceland (2 episodes, 2012-2013)
Self / Self - Denver Museum of Nature & Science (2 episodes, 2017-2024)
Co-Founder / Self - H55 / Self - Pilot, Co-Founder Solar Impulse (2 episodes, 2018-2021)
Self - Egyptologist / Self - German Archaeological Institute (2 episodes, 2010-2020)
Self - Brown University / Self - Professor Emeritus, Brown University (2 episodes, 2013-2019)
Self / Self - Humboldt University, Berlin (2 episodes, 2017-2024)
Self - Deputy PI, Lunar Reconnaissance Orbiter Camera / Self - Geologist, Messenger (2 episodes, 2019)
Self - Flight Director / Self - Planetary Resources (2 episodes, 2005-2013)
Self / Self - Princeton University (2 episodes, 2011-2018)
Self - British Museum / Self - Philologist and Assyriologist (2 episodes, 2015-2020)
Self / Self - University of Redlands (2 episodes, 2017-2024)
Self / Self - Rutgers University (2 episodes, 2017-2023)
Self - Chief Engineer, Cassini / Self - Spacecraft Operations Team Member, NASA's Jet Propulsion Laboratory (2 episodes, 2017-2019)
Self - Maritime Archaeologist / Self - Underwater Archaeologist (2 episodes, 2010-2019)
Self - Historian / Self - White Star Line Historian (2 episodes, 1997-2012)
William Bakewell (2 episodes, 1998-2002)
Self / Self - University of California, Los Angeles, Galactic Center Group (2 episodes, 2006-2018)
Self - Aviation Consultant / Self - Director of Musée de l'Air et de l'Espace (2 episodes, 2006)
Self / Self - University of North Carolina - Chapel Hill (2 episodes, 2008-2019)
Self - Stanford University (2 episodes, 2008-2018)
Self - Harvard University (2 episodes, 2009-2019)
Self - Deputy Project Scientist, Mars Science Laboratory / Self - Project Scientist, Curiosity (2 episodes, 2012-2019)
Self - National Air and Space Museum / Self - Smithsonian National Air and Space Museum (2 episodes, 2019)
Self - Entry, Descent and Landing Mechanical System Lead / Self - Landing Systems Engineer, Jet Propulsion Laboratory (2 episodes, 2004-2012)
Self / Self - Archaeologist (2 episodes, 2012-2016)
Self - Texas Tech University (2 episodes, 2012-2013)
Self / Self - German Military Historian (2 episodes, 2014-2015)
Self / Self - Astronomy & Space Sciences, Cornell (3 episodes, 1978-2019)
Self - University of Colorado (2 episodes, 2012-2013)
Self / Self - Car Enthusiast (2 episodes, 2011-2017)
Self / Self - Cornell University (2 episodes, 2012-2016)
Self / Self - Washington University (2 episodes, 2016)
Self - Physicist, Imperial College London / Self - Principal Investigator, Cassini Magnetometer (2 episodes, 2017-2019)
Self / Self - Chilean Antarctic Institute (2 episodes, 2017-2024)
Self / Self - Texas Tech University (2 episodes, 2018-2023)
Self / Self - Head of the Shrine of the Book and Curator of the Dead Sea Scrolls (2 episodes, 2004-2019)
Self - Arizona State University (2 episodes, 2005-2012)
Historical Reenactment / Manson (2 episodes, 2005)
Self / Self - Apsáalooke (Crow) Educator (2 episodes, 2016-2018)
Self - Aerospace Writer / Self - Aviation Week (2 episodes, 2003-2013)
Self - University of Wisconsin-Eau Claire (2 episodes, 2004-2017)
Self - Rover Engineer / Self - Surface Sampling Lead, Mars Science Laboratory (2 episodes, 2004-2012)
Self - Mission Scientist Galileo / Self - Planetary Scientist, California Institute of Technology (2 episodes, 2017-2019)
Self - Oklahoma Tornado Survivor / Self - Oklahoma tornado survivor (2 episodes, 2012-2013)
Self / Self - Neurophysiologist, Harvard Medical School (2 episodes, 2006-2019)
Self / Self - University of Colorado (2 episodes, 2013-2018)
Self / Self - Marine Biologist (2 episodes, 2012-2014)
Translation voice / Translator (2 episodes, 2004-2012)
Self - Planetary Scientist, NASA's Ames Research Center / Self - Ring Scientist, Cassini (2 episodes, 2017-2019)
Gustav Wiik / Otto Hahn (2 episodes, 2005-2006)
Self / Self - Author, Growing a Revolution (2 episodes, 2018-2024)
Self - Narrator (2 episodes, 1975-1977)
Self (2 episodes, 1976-1981)
Self / Self - Harvard-Smithsonian Center for Astrophysics (2 episodes, 1981-2010)
Narrator (2 episodes, 1981-1983)
Self (2 episodes, 1985-2004)
Self / Self (former Surgeon General of the United States) (2 episodes, 1989-2001)
Narrator / Self (narrator) (2 episodes, 1993)
Son (2 episodes, 1995-2022)
(2 episodes, 1998)
Self (2 episodes, 2000-2015)
Self (2 episodes, 2000-2010)
Self / Self - Chemical Engineer, MIT (2 episodes, 2001-2011)
Self - Epigrapher, University of Texas at Austin / Self - Harvard University (2 episodes, 2001-2008)
Self - Archeologist, Harvard University / Self - Harvard University (2 episodes, 2001-2008)
Self (2 episodes, 2001)
Translator (2 episodes, 2003-2004)
Self - Narrator (2 episodes, 2004-2005)
Self - Mars Program Chief Engineer, Jet Propulsion Lab / Self - Scientist, Mars Program, Jet Propulsion Laboratory (2 episodes, 2004-2005)
Self - MER Project Manager / Self - Mars Exploration Rovers Project Manager, Jet Propulsion Laboratory (2 episodes, 2004-2005)
Self - Engineer / Self - Rover Engineer (2 episodes, 2004-2005)
Self - Deputy Mission Manager, MER / Self - MER Mission Manager (2 episodes, 2004-2005)
Self / Self - Entry, Descent and Landing Systems Engineer, MER (2 episodes, 2004-2005)
Self / Self - Massachusetts Institute of Technology (2 episodes, 2005-2011)
Self / Self - Pacific Tsunami Warning Center (2 episodes, 2005-2011)
Self - University College London / Self - Volcanologist (2 episodes, 2005-2011)
Self - NASA Administrator / Self - Nasa Administrator (2 episodes, 2005-2008)
Self - Honeybee Robotics / Self - Participant (2 episodes, 2005-2008)
Self - Author / Self - University of California, Davis (2 episodes, 2005-2008)
Co-Pilot Robert Bragg (2 episodes, 2006-2022)
Self (2 episodes, 2006-2015)
Self (2 episodes, 2007-2013)
Self / Self - Museum Victoria (2 episodes, 2007-2013)
Self (2 episodes, 2008-2023)
Self / Self - Participant (2 episodes, 2008-2021)
Self - Apollo 17 Lunar Module Pilot / Self - Astronaut (2 episodes, 2008-2019)
Self - Harvard Divinity School / Self - Stonehill College (2 episodes, 2008-2015)
Self - Hebrew Union College / Self - Hebrew Union College - Jerusalem (2 episodes, 2008-2015)
Self / Self - Tel Aviv University (2 episodes, 2008-2010)
Self - NASA Administrator, Retired / Self - Nasa Administrator (2 episodes, 2008-2009)
James Dewar (2 episodes, 2008)
Self - Author - 'Absolute Zero' / Self - Author, 'Absolute Zero' (2 episodes, 2008)
Henk Van Rooyen (2 episodes, 2008)
Marinus Smit (2 episodes, 2008)
Self - University of Toronto (2 episodes, 2008)
Narrator / Self / Self - Narrator (2 episodes, 2009-2021)
Self / Self - National Geographic Explorer-in-Residence (2 episodes, 2009-2016)
Self / Self - University of Tübingen (2 episodes, 2009-2016)
Self / Self - University of Bergen (2 episodes, 2009-2016)
Self / Self - Institute of Human Origins (2 episodes, 2009-2016)
Self / Self - NASA Astronaut (2 episodes, 2009-2015)
Self / Self - California Academy of Sciences (2 episodes, 2009-2015)
Self / Self - Author, 'The Shadow Factory' (2 episodes, 2009-2015)
Self / Self - The George Washington University (2 episodes, 2009-2015)
Self / Self - United States Secretary of Energy (2 episodes, 2009-2011)
Self / Self - University of California, Berkeley (2 episodes, 2009-2011)
Self - Stony Brook University (2 episodes, 2009)
Self - Max Planck Institute (2 episodes, 2009)
Self - Former Project Scientist, Cassini / Self - Senior Research Scientist (2 episodes, 2010-2019)
Self (2 episodes, 2010-2017)
Self / Self - Clyde Tombaugh's Daughter (2 episodes, 2010-2015)
Self / Self - Planetary Science Institute (2 episodes, 2010-2015)
Self / Self - Researcher (2 episodes, 2010-2015)
Self - Maritime Archaeologist (2 episodes, 2010-2015)
Self (2 episodes, 2010-2013)
(2 episodes, 2010)
Self / Self - Astrophysicist (2 episodes, 2010)
Self / Self - Director: Carnegie Institution Observatories (2 episodes, 2010)
Self / Self - Professor: University of Chicago (2 episodes, 2010)
Self / Self - Director, Museum of the History of Science (2 episodes, 2010)
Self - Astronomer at Southwest Research Institute / Self - Deputy Project Scientist, New Horizons (2 episodes, 2011-2019)
Self (2 episodes, 2011-2017)
Self (2 episodes, 2011-2016)
Self - Seismologist - University of Colorado (2 episodes, 2011-2016)
Expert / Self - Inst. for Mummies and the Iceman (2 episodes, 2011-2016)
Actor (2 episodes, 2011-2015)
Self (3 episodes, 2011-2021)
Self (2 episodes, 2011-2015)
Self / Self - UC Berkeley (2 episodes, 2011)
Self (2 episodes, 2011)
Self / Self - Univ. Corp. for Atmospheric Research (2 episodes, 2012-2013)
Self (2 episodes, 2013-2024)
Self (2 episodes, 2013-2016)
Self (2 episodes, 2013)
Self / Self - Space Flight Historian (2 episodes, 2014-2019)
Self (2 episodes, 2014-2016)
Self (2 episodes, 2014-2015)
Self (2 episodes, 2014)
Self / Self - Planetary Scientist, New Horizons Mission (2 episodes, 2015-2019)
Self / Self - Encounter Mission Manager, New Horizons Mission (2 episodes, 2015-2019)
Self / Self - Mission Operations Manager, New Horizons Mission (2 episodes, 2015-2019)
Self (2 episodes, 2015-2017)
(2 episodes, 2015)
Self / Self - Digital Forensic Expert (2 episodes, 2016-2022)
Self (2 episodes, 2016-2018)
Self (2 episodes, 2016)
Self - Narrator (2 episodes, 2018)
Self (2 episodes, 2018)
Self - Planetary Scientist, New Horizons Mission / Self - Planetary Scientist, Southwest Research Institute (2 episodes, 2019-2024)
Self - Sprecher / Speaker (2 episodes, 2019-2021)
Self - Professor of Astrophysical and Planetary Sciences University of Colorado (2 episodes, 2019)
Self - Planetary Astrophysicist California Institute of Technology / Self - Planetary Astrophysicist, Caltech (2 episodes, 2019)
Self - Sprecher (2 episodes, 2020-2022)
Self - Sprecher / Speaker (2 episodes, 2020-2021)
Narrator / Self / Self - narrator (2 episodes, 2021-2023)
Narrator / Self (2 episodes, 2021-2022)
Self - Sprecher (2 episodes, 2021-2022)
Self - Sprecher / Speaker (2 episodes, 2021-2022)
Self / Narrator / narrator (2 episodes, 2021)
Self / Self - Associate Administrator, Science Mission Directorate at NASA (2 episodes, 2022-2023)
Self / Self - Lead Mission Systems Engineer, JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Astrophysicist, JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Astrophysicist, Cosmos Web Survey, Rochester Institute of Technology (2 episodes, 2022-2023)
STScI / Self / Self - NIRSpec Instrument Scientist, JWST, ESA (2 episodes, 2022-2023)
Self / Self - Optical Telescope Element Mgr., JWST, NASA Goddard Space Flight Center (2 episodes, 2022-2023)
Self / Self - Project Scientist, JWST, ESA STScI (2 episodes, 2022-2023)
Self / Self - Astronomer, Cosmos Web Survey, The University of Texas at Austin (2 episodes, 2022-2023)
Self - Sprecher (2 episodes, 2022)
Peter Girguis (2 episodes, 2023)
Self (2 episodes, 2023)
Self / Self - Paleoclimatologist (2 episodes, 2024)
Self (2 episodes, 2024)
Self - Narrator (1 episode, 1976)
Self (1 episode, 1980)
Self - Narrator (1 episode, 1981)
Geoffrey Perry (1 episode, 1989)
Self - Narrator (1 episode, 1990)
Self - Narrator (1 episode, 1993)
Narrator (1 episode, 1996)
Expedition Leader (1 episode, 1998)
Narrator (1 episode, 2000)
Charles Darwin (1 episode, 2009)
Self - Narrator (1 episode, 2012)
Self - Astronomer (1 episode, 2013)
Self - Narrator (1 episode, 2014)
Self - Narrator (1 episode, 2016)
Narrator (1 episode, 2016)
Self - Genentech (1 episode, 2016)
Self - Narrator (1 episode, 2018)
Self - Biophysicist, MIT Media Lab (1 episode, 2020)
Self (1 episode, 2022)
Self - Narrator (1 episode, 2024)
Derek Slater (1 episode, 1989)
Self - Abductee (1 episode, 1996)
Self - Expedition Leader (1 episode, 1996)
Narrator (1 episode, 1998)
Self (1 episode, 1999)
Self - Man with Blindsight (1 episode, 2001)
Sir Ernest Shackleton (1 episode, 2002)
Albert Einstein (1 episode, 2005)
Self - Author of Wings of Madness (1 episode, 2006)
Emma Darwin (1 episode, 2009)
Self - Knome, Inc. (1 episode, 2012)
Self - Conjoined Twin (1 episode, 2012)
Self - Reconnaissance Pilot (1 episode, 2012)
Self - Maritime Attorney (1 episode, 2012)
Self - Yellowstone National Park (1 episode, 2012)
Self - Refinery Supervisor, Barrick Gold Corporation (1 episode, 2012)
Self - Joplin Tornado Survivor (1 episode, 2012)
Self - Jet Propulsion Laboratory Spokesperson (1 episode, 2012)
Self - Art Collector (1 episode, 2012)
Self - Georgia State University (1 episode, 2012)
Self - Boston Police Department (1 episode, 2013)
Self - Egyptologist (1 episode, 2013)
Self - Father of Andy Williams (1 episode, 2013)
Self - Hobbyist (1 episode, 2013)
Self - The Open University, U.K. (1 episode, 2013)
Self - B612 Foundation (1 episode, 2013)
Self - United States Air Force (1 episode, 2013)
Self - Director, World Trade Center Construction, Port Authority of New York & New Jersey (1 episode, 2013)
Self - Mathematician (1 episode, 2013)
Self - MTA (1 episode, 2013)
Self - Former FBI Special Agent (1 episode, 2013)
Self - Sonar Team Director (1 episode, 2014)
Self - Writer, Wired (1 episode, 2014)
Self - Quality Health Center (1 episode, 2014)
Self - Novarka (1 episode, 2016)
Self - New York University (1 episode, 2016)
Self - Icahn School of Medicine, Mt. Sinai, Geneticist (1 episode, 2016)
Self - Archaeologist (1 episode, 2016)
Self - The Wallace Collection, London (1 episode, 2017)
Self - Institut de Physique du Globe de Paris (1 episode, 2017)
Self - University of Montana (1 episode, 2017)
Self - University of Arizona (1 episode, 2017)
Self - LG Chem Power, Inc. (1 episode, 2017)
Self - Williams College (1 episode, 2017)
Self - Lead Scientist, Cassini Radio Science Team (1 episode, 2017)
Self - American Museum of Natural History (1 episode, 2017)
Self - Flint Resident (1 episode, 2017)
Self - Nassau Department of Meteorology (1 episode, 2017)
Self - UCL Institute of Archaeology (1 episode, 2017)
Self - Cave Diver & National Geographic Grantee (1 episode, 2018)
Self - United States Coast Guard (1 episode, 2018)
Self - Meteorologist (1 episode, 2018)
Self - Massachusetts Institute of Technology (1 episode, 2018)
Self - Caving and Expedition Leader (1 episode, 2018)
Voice of Jordanian Woman (1 episode, 2019)
Self (1 episode, 2019)
Self - Author 'Second Ascent: The Story of Hugh Herr' (1 episode, 2020)
Self - Egyptologist (1 episode, 2020)
Self - Neurobiologist, Northwestern University (1 episode, 2020)
Self - San Francisco Society for the Prevention of Cruelty to Animals (1 episode, 2020)
Self - University of Oxford (1 episode, 2021)
Self, archaeologist (1 episode, 2022)
Self - Jason's Brother (1 episode, 2022)
Jean Perry (1 episode, 1989)
Self - Chief Engineer (1 episode, 1996)
Self - Victim of Phantom Limb Syndrome (1 episode, 2001)
George Marston / Thomas Orde-Lees (1 episode, 2002)
Mileva Maric (1 episode, 2005)
Sir Charles Lyell (1 episode, 2009)
Self - Director, NIH (1 episode, 2012)
Self - The Ames Laboratory (1 episode, 2012)
Self - Pennsylvania State University (1 episode, 2012)
Self - Royal Air Force Wing Commander, Retired (1 episode, 2012)
Self - Landing Radar Field Test Lead, Mars Science Laboratory (1 episode, 2012)
Self - University of Michigan (1 episode, 2012)
Self - Stevens Institute of Technology (1 episode, 2012)
Self - Archaeologist (1 episode, 2012)
Self - University of Stockholm (1 episode, 2012)
Self - Dam Designer (1 episode, 2012)
Self - University of Leicester (1 episode, 2012)
Self - Kentucky Senator (1 episode, 2013)
Self - New York University (1 episode, 2013)
Self - Author, Kidnapped (1 episode, 2013)
Self - Massachusetts Institute of Technology (1 episode, 2013)
Self - Managing Partner, Skidmore, Owings & Merrill, LLP (1 episode, 2013)
Self - FLIR Systems, Inc. (1 episode, 2013)
Self - University of Victoria (1 episode, 2013)
Self - Firearms Expert (1 episode, 2013)
Self - Spree Shooter (1 episode, 2013)
Self - Professor Emeritus, University of Wisconsin (1 episode, 2013)
Self - Coin Expert (1 episode, 2013)
Self - New York City Department of Health and Mental Hygiene (1 episode, 2014)
Self - Chief Historian, U.S.Navy (1 episode, 2014)
Self - Military Historian (1 episode, 2016)
Self - Crane System Manager (1 episode, 2016)
Self - University College London, Geneticist (1 episode, 2016)
Self - New Mexico Bureau of Geology & Mineral Resources (1 episode, 2017)
Self - University of Washington (1 episode, 2017)
Self - University of California, Berkeley (1 episode, 2017)
Self - International Association for Caribbean Archaeology (1 episode, 2017)
Self - University of Edinburgh (1 episode, 2017)
Self - Son of Ponar Survivor (1 episode, 2017)
Self - Ranch Owner (1 episode, 2017)
Self - NCAR High Altitude Observatory (1 episode, 2017)
Self - Specialist Diver (1 episode, 2018)
Self - Middlebury College (1 episode, 2018)
Self - Head of Ground Operation (1 episode, 2018)
Self - Harvard University (1 episode, 2018)
Self - Cave Diver (1 episode, 2018)
Self - Art Historian (1 episode, 2019)
Self - Historian (1 episode, 2020)
Self - Hugh's Former Climbing Partner (1 episode, 2020)
Self - University of Oxford (1 episode, 2020)
Self - Neuroscientist, UCLA (1 episode, 2020)
Self (1 episode, 2020)
Self - Assistant Professor of Biology, Southern Illinois University Edwardsville (1 episode, 2020)
Self, ethnomusicologist (1 episode, 2022)
Self - Jason's Mother (1 episode, 2022)
Mrs. Sinnett (1 episode, 1989)
Self - Author, Missing Time & Intruders (1 episode, 1996)
Self - Kee Bird Copilot (1 episode, 1996)
Self - Epileptic (1 episode, 2001)
Frank Worsley / Lionel Greenstreet (1 episode, 2002)
Michael Faraday (1 episode, 2005)
Self - Launcher Designer (1 episode, 2012)
Self - Senior C.I.A. Analyst, Retired (1 episode, 2012)
Self - Children First Foundation (1 episode, 2012)
Self - Denver Museum of Nature & Science (1 episode, 2012)
Self - Accused Murderer (1 episode, 2012)
Self - Noah and Alexis Beery's Father (1 episode, 2012)
Self - Gatorade Sports Science Institute (1 episode, 2012)
Self - Maritime Simulation Institute (1 episode, 2012)
Self - Archaelogist (1 episode, 2013)
Self - Architect, Skidmore, Owings & Merrill, LLP (1 episode, 2013)
Self - North Carolina Chief Medical Examiner (1 episode, 2013)
Self - Carnegie Mellon University (1 episode, 2013)
Self - Remotely Piloted Aircraft Pilot, Captain, United States Air Force (1 episode, 2013)
Self - University of California (1 episode, 2013)
Self - Private Investigator (1 episode, 2013)
Self - Broad Channel, NY (1 episode, 2013)
Self - Autism Science Foundation (1 episode, 2014)
Self - Author and Military Historian (1 episode, 2014)
Self - London South Bank University (1 episode, 2016)
Self - Genentech, Medical Director (1 episode, 2016)
Self - Military Expert (1 episode, 2016)
Self - Cladding Site Engineer (1 episode, 2016)
Self - WorleyParsons (1 episode, 2017)
Self - New Mexico Museum of Natural History & Science (1 episode, 2017)
Self - Former Mayor of Flint, 2009-2015 (1 episode, 2017)
Self - Hubei Provincial Museum (1 episode, 2017)
Self - Museum of London Archaeology (1 episode, 2017)
Self - University of Iceland (1 episode, 2017)
Self - Cornell University (1 episode, 2017)
Self - Princeton University (1 episode, 2017)
Self - Planetary Scientist, Paris Observatory (1 episode, 2017)
Self - University of Glasgow (1 episode, 2018)
Self - Lead Mission Engineer (1 episode, 2018)
Self - Co-Director, Hoyo Negro Project (1 episode, 2018)
Self - Monterey Bay Aquarium Research Institute (1 episode, 2018)
Self - Major, U.S. Air Force (1 episode, 2018)
Self - Ancient Egypt Research Associates (1 episode, 2019)
Self - Nottingham Trent University (1 episode, 2020)
Self - Neurobiologist, UCLA (1 episode, 2020)
Self - Surgeon, Brigham Health (1 episode, 2020)
Self - Paleontologist, Museum voor Natuurwetenschappen van België (1 episode, 2020)
Self - Jason's Father (1 episode, 2022)
David Sinnett (1 episode, 1989)
Self - Kee Bird Astro Navigator (1 episode, 1996)
Self - Victim of Capgras Delusion (1 episode, 2001)
Frank Wild (1 episode, 2002)
Brande (1 episode, 2005)
Self - Aviation Historian (1 episode, 2006)
Elizabeth Wedgwood (1 episode, 2009)
Self - Buffalo Airways (1 episode, 2012)
Self - Artisan (1 episode, 2012)
Self - Director of Neurosurgery (1 episode, 2012)
Self - Historian, King's College London (1 episode, 2012)
Self - Art Specialist (1 episode, 2012)
Self - Independent Forensic Scientist (1 episode, 2012)
Self - 23andMe, Inc. Client (1 episode, 2012)
Self - Stanford University (1 episode, 2012)
Self - House Committee on Assassinations (1 episode, 2013)
Self - Historian of Ancient Astronomy (1 episode, 2013)
Self - Archivist, New Jersey State Police (1 episode, 2013)
Self - United States Air Force, Air National Guard (1 episode, 2013)
Self - Vice President of Construction, National September 11 Memorial & Museum (1 episode, 2013)
Self - University of New Orleans (1 episode, 2013)
Self - New Mexico Institute of Mining and Technology (1 episode, 2013)
Self - United States Air Force Academy (1 episode, 2013)
Self - Mother (1 episode, 2014)
Self - Sophos (1 episode, 2014)
Self - Historian, U.S. Army Major (Ret.) (1 episode, 2014)
Self - Institute for Advanced Study (1 episode, 2015)
Self - Historical Researcher (1 episode, 2016)
Self - Columbia University (1 episode, 2016)
Self - Deputy Construction Manager (1 episode, 2016)
Self - Massachusetts General Hospital (1 episode, 2016)
Self - University of Cambridge (1 episode, 2017)
Self - Montana Tech (1 episode, 2017)
Self - The Royal Armouries, UK (1 episode, 2017)
Self - Chief Executive Officer, Ionic Materials (1 episode, 2017)
Self - Space Telescope Science Institute (1 episode, 2017)
Self - University of Hartford (1 episode, 2017)
Self - The University of Sydney (1 episode, 2017)
Self - Natural History Museum of Utah (1 episode, 2017)
Self - Flint Emergency Manager 2013-2015 (1 episode, 2017)
Self - The Guardian, United States Edition (1 episode, 2018)
Self - Sergeant, U.S. Air Force (1 episode, 2018)
Self - Instrument Scientist, Messenger (1 episode, 2019)
Self - California Institute of Technology (1 episode, 2019)
Self - Artistic Impersonator, 'Leonardo Da Vinci' (1 episode, 2019)
Self - Ph.D. Candidate, MIT Media labs (1 episode, 2020)
Self - Parchment and Vellum Maker (1 episode, 2020)
Self - University of Missouri (1 episode, 2020)
Self - University of California, Santa Cruz (1 episode, 2021)
Self - University of Surrey (1 episode, 2021)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2021)
Self - Jason's Aunt (Paternal) (1 episode, 2022)
Mike Sinnett (younger) (1 episode, 1989)
Self - Caribou Pilot (1 episode, 1996)
Self - Neuroscientist (1 episode, 2001)
Chippy McNeish (1 episode, 2002)
Chater (1 episode, 2005)
Parslow (1 episode, 2009)
Self - Artist & Historian of Forgery (1 episode, 2012)
Self - (United States Geological Survey (1 episode, 2012)
Self - Mobility Lead, Mars Science Laboratory (1 episode, 2012)
Self - Director of Craniofacial Surger (1 episode, 2012)
Self - National Center for Atmospheric Research, High Altitude Observatory (1 episode, 2012)
Self - University of Tokyo (1 episode, 2012)
Self - Historian, Angelo State University (1 episode, 2012)
Self - Managing Director, CME Group (1 episode, 2012)
Self - Industrial Designer (1 episode, 2012)
Self - Accused Bomber (1 episode, 2012)
Self - Historian (1 episode, 2013)
Self - Horse and Chariot Expert (1 episode, 2013)
Self - Lamont-Doherty Earth Observatory (1 episode, 2013)
Self - Board Member, National September 11 Memorial & Museum (1 episode, 2013)
Self - The Boston Globe (1 episode, 2013)
Self - McGill University (1 episode, 2013)
Self - X-ray Engineer (1 episode, 2013)
Self - University of Barcelona - ICREA (1 episode, 2013)
Self - Lieutenant General, United States Air Force (1 episode, 2013)
Self - The Open University of Israel (1 episode, 2013)
Self - Master Carpenter (1 episode, 2013)
Self - Canadian Resident of Chelyabinsk & Meteor Witness (1 episode, 2013)
Self - Children's Hospital of Philadelphia (1 episode, 2014)
Self - UC Santa Barbara (1 episode, 2014)
Self - Cartographer and Marine Scientist (1 episode, 2014)
Self - University of Pittsburgh (1 episode, 2015)
Self - Former Chief Engineer, Chernobyl Nuclear Power Plant (1 episode, 2016)
Self - UC Santa Barbara, Alzheimer's Researcher (1 episode, 2016)
Self - Massachusetts Institute of Technology (1 episode, 2016)
Self - Gonzaga University (1 episode, 2017)
Self - University of Paris (1 episode, 2017)
Self - University of California, San Diego (1 episode, 2017)
Self - University of Veterinary Medicine, Vienna (1 episode, 2017)
Self - Climate Historian (1 episode, 2017)
Self - Art Institute of Chicago (1 episode, 2017)
Self - Cassini Program Manager, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - U.S. Geological Survey (1 episode, 2017)
Self - Carnegie Institution for Science (1 episode, 2018)
Self - Cave Paleontologist (1 episode, 2018)
Self - Giza Plateau Mapping Project (1 episode, 2019)
Self - Artistic Impersonator, 'Mona Lisa' (1 episode, 2019)
Self - Yale University (1 episode, 2019)
Self - International Cat Care (1 episode, 2020)
Self - Sleep Investigator, Tel Aviv University (1 episode, 2020)
Self - Librarian, Openbare Bibliotheek Brugge (1 episode, 2020)
Self - University of Cambridge (1 episode, 2021)
Self - Imperial College London (1 episode, 2021)
Self - University of Bristol (1 episode, 2021)
Self - The Open University (1 episode, 2021)
self, founder of the Centre for Traditional Textiles of Cusco (1 episode, 2022)
Self - Jason's Cousin (1 episode, 2022)
Self - Vintage Aircraft Engineer (1 episode, 1996)
Alexander Macklin / James Wordie (1 episode, 2002)
Humphry Davy (1 episode, 2005)
Self - Aviation Enthusiast (1 episode, 2006)
Dr. Engleheart (1 episode, 2009)
Self - Australian Youth Ambassador (1 episode, 2012)
Self - Design Engineer (1 episode, 2012)
Self - Miner, Barrick Gold Corporation (1 episode, 2012)
Self - Dam Contractor (1 episode, 2012)
Self - University College London (1 episode, 2012)
Self - National Historical Museum, Sweden (1 episode, 2012)
Self - Author, Biophysicist (1 episode, 2012)
Self - Special Agent, FBI (1 episode, 2012)
Self - Retired Secret Service Agent (1 episode, 2013)
Self - Chief Executive Officer and President, National September 11 Memorial & Museum (1 episode, 2013)
Self - Mechanical Engineer (1 episode, 2013)
Self - Humans and Automation Lab, MIT (1 episode, 2013)
Self - Carpenter (1 episode, 2013)
Self - Watertown Resident (1 episode, 2013)
Self - Japanese Astronaut (1 episode, 2013)
Self - University of Kent (1 episode, 2013)
Self - Naval Historian (1 episode, 2014)
Self - University of Oklahoma (1 episode, 2014)
Self - UC Berkeley (1 episode, 2016)
Self - Chernobyl Shelter Fund (1 episode, 2016)
Self - University of Antioquia, Neurologist (1 episode, 2016)
Self - Yale University (1 episode, 2017)
Self - Woods Hole Oceanographic Institution (1 episode, 2017)
Self - University of Strasbourg (1 episode, 2017)
Self - Desert Research Institute (1 episode, 2017)
Self - Imperial College London (1 episode, 2017)
Self - Chief Executive Officer, PolyPlus Battery Company (1 episode, 2017)
Self - Montana Conservation Science Institute (1 episode, 2017)
Self - University of Arizona (1 episode, 2018)
Self - Archaeologist (Perishable Artifacts Expert) (1 episode, 2018)
Self - Friend of Player's Father (1 episode, 2018)
Self - Gallaudet University (1 episode, 2018)
Self - Mission Director (1 episode, 2018)
Self - Tel Aviv University (1 episode, 2019)
Self - Deputy Lead, Messenger (1 episode, 2019)
Self - Art Historian and Conservation Expert, Musée du Louvre (1 episode, 2019)
Self - Hugh's Friend and Climbing Partner (1 episode, 2020)
Self - Calligrapher (1 episode, 2020)
Self - Neuroscientist (1 episode, 2020)
Self - Federal Research Center Institute of Cytology and Genetics, Russia (1 episode, 2020)
Self - Jason's Aunt (Maternal) (1 episode, 2022)
Frank Hurley (1 episode, 2002)
Newman (1 episode, 2005)
Self - Daughter of Alan Calassa (1 episode, 2006)
Postman (1 episode, 2009)
Self - Scientist (1 episode, 2012)
Self - Philanthropist (1 episode, 2012)
Self - Laboratory Supervisor, Barrick Gold Corporation (1 episode, 2012)
Self - Mission Manager, Mars Science Laboratory (1 episode, 2012)
Self - Lockheed Martin (1 episode, 2012)
Self - Gunnery Expert (1 episode, 2012)
Self - Journalist (1 episode, 2012)
Self - Photo Interpreter, Royal Air Force, Medmenham (1 episode, 2012)
Self - ArcelorMittal (1 episode, 2012)
Self - Retired Sheriff's Investigator (1 episode, 2012)
Self - Concrete Specialist (1 episode, 2012)
Self - Los Alamos National Laboratory (1 episode, 2013)
Self - University of Buffalo (1 episode, 2013)
Self - University of Western Ontario (1 episode, 2013)
Self - Architecture Critic, The New Yorker (1 episode, 2013)
Self - Harvard Medical School (1 episode, 2013)
Self - Translator (1 episode, 2013)
Self - Fort Lewis College (1 episode, 2013)
Self - Marquette University (1 episode, 2013)
Self - Senior Archaeologist (1 episode, 2013)
Self - Rallypoint (1 episode, 2013)
Self - Leiden University (1 episode, 2013)
Self - University of Michigan (1 episode, 2014)
Self - Lieutenant, Royal Navy (1 episode, 2014)
Self - SRI International (1 episode, 2014)
Self - Chernobyl Survivor (1 episode, 2016)
Self - University of Antioquia, Psychologist (1 episode, 2016)
Self - Irish Guards (1 episode, 2016)
Self - Chins Scholar (1 episode, 2017)
Self - Weather Underground (1 episode, 2017)
Self - National Center for Atmospheric Research (1 episode, 2017)
Self - Daughter of Ponar Survivor (1 episode, 2017)
Self - Aerospace Engineer, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - University of Michigan (1 episode, 2017)
Self - Maya Civilization Anthropologist (1 episode, 2018)
Self - Governor of Chiang Rai Province (1 episode, 2018)
Self - Williams College (1 episode, 2018)
Self - Head of Energy & Propulsion (1 episode, 2018)
Self - Scripps Institution of Oceanography (1 episode, 2018)
Self - Art Historian, University of St Andrews (1 episode, 2019)
Self - Scientist, Cassini-Huygens (1 episode, 2019)
Self - Stanford University (1 episode, 2019)
Self - Veterinarian (1 episode, 2020)
Self - Jim's Wife (1 episode, 2020)
Self - Publisher (1 episode, 2020)
Self - Archaeozoologist, Muséum national d'Histoire naturelle (1 episode, 2020)
Self - Neuroscientist, UC Berkeley (1 episode, 2020)
Self - University College London (1 episode, 2021)
self, archaeologist, San Marcos National University (1 episode, 2022)
Self - Oxford University (1 episode, 2001)
Hermann Einstein (1 episode, 2005)
Alfred Wallace (1 episode, 2009)
Self - New York State Police Medicolegal Investigation Unit (1 episode, 2012)
Self - Mother of Andrew Schmitz (1 episode, 2012)
Self - Pollen Analyst (1 episode, 2012)
Self - Director, National Ignition Facility (1 episode, 2012)
Self - Craniofacial Surgeon (1 episode, 2012)
Self - NASA's Goddard Space Flight Center (1 episode, 2012)
Self - (Explosives Engineer (1 episode, 2012)
Self - University of Palermo (1 episode, 2012)
Self - Art Historian (1 episode, 2012)
Self - Norwegian University of Science and Technology (1 episode, 2012)
Self - Intelligence Corps Officer, Retired (1 episode, 2012)
Self - Journalist (1 episode, 2013)
Self - Hokkaido University (1 episode, 2013)
Self - Historian of Babylonian Astronomy (1 episode, 2013)
Self - Brookings Institution (1 episode, 2013)
Self - Rutgers University (1 episode, 2013)
Self - Barbizon Lighting Company (1 episode, 2013)
Self - Forecaster, Met Office UK (1 episode, 2014)
Self - Banner Alzheimer's Institute (1 episode, 2016)
Self - Memory Reconsolidation Study Subject (1 episode, 2016)
Self - Radiation Protection Engineer at Novarka (1 episode, 2016)
Self - Chariot Expert (1 episode, 2017)
Self - Centre for Volcanology and Geological Hazard Mitigation (1 episode, 2017)
Self - Skidmore College (1 episode, 2017)
Self - Planetary Scientist, NASA's Goddard Institute (1 episode, 2017)
Self - Argonne National Laboratory (1 episode, 2017)
Self - Greater Cincinnati Water Works (1 episode, 2017)
Self - University of Texas at Austin (1 episode, 2017)
Self - Styrian Armory, Austria (1 episode, 2017)
Self - Professional Diver (1 episode, 2018)
Self - Oregon State University (1 episode, 2018)
Self - Co-Director and Principle Investigator, Hoyo Negro Project (1 episode, 2018)
Self - Head of Safety Review Board (1 episode, 2018)
Self - Art Radiologist (1 episode, 2019)
Self - Jim's Daughter (1 episode, 2020)
Self - Animal Behavior Scientist, Arizona State University (1 episode, 2020)
Self - University of Connecticut & Flatiron Institute (1 episode, 2021)
Self - Astrophysicist and Inspiration for the Mission (1 episode, 2021)
Self - Yale University (1 episode, 2021)
Self - Universit of British Columbia (1 episode, 2022)
Self - Psychiatry, Harvard Medical School (1 episode, 1996)
Self - Stroke Victim (1 episode, 2001)
Emily Shackleton (1 episode, 2002)
Proffesseur Fritz Muhlberg (1 episode, 2005)
Self - Historian and Aviator (1 episode, 2006)
William Fitzroy (1 episode, 2009)
Self - 617 Squadron Veteran (1 episode, 2012)
Self - Pierce County Emergency Management (1 episode, 2012)
Self - Linköping University (1 episode, 2012)
Self - California Maritime Academy (1 episode, 2012)
Self - Commodities Trader (1 episode, 2012)
Self - Université de Lausanne (1 episode, 2012)
Self - Princeton Plasma Physics Laboratory (1 episode, 2012)
Self - Children's Hospital of Wisconsin (1 episode, 2012)
Self - Johns Hopkins University (1 episode, 2013)
Self - Deputy Executive Director, Port Authority of New York & New Jersey (1 episode, 2013)
Self - International Astronomical Union, Minor Planet Center (1 episode, 2013)
Self - University of Colorado (1 episode, 2013)
Self - Laboratory of Meteoritics, Moscow (1 episode, 2013)
Self - Lieutenant Colonel, United States Air Force (1 episode, 2013)
Self - Con Edison (1 episode, 2013)
Self - Verizon (1 episode, 2014)
Self - King's College London (1 episode, 2015)
Self - Health and Safety Manager (1 episode, 2016)
Self - Butler Hospital (1 episode, 2016)
Self - University of Amsterdam (1 episode, 2016)
Self - Oracle Bone Expert (1 episode, 2017)
Self - Southwest Research Institute (1 episode, 2017)
Self - Lawrence Berkeley National Laboratory (1 episode, 2017)
Self - Penn State (1 episode, 2017)
Self - EPA Office of Research & Development (1 episode, 2017)
Self - Geological Museum Bandung (1 episode, 2017)
Self - The Philadelphia Museum of Art (1 episode, 2017)
Self - Author, We Are Here (1 episode, 2017)
Self - University of Wisconsin-Madison (1 episode, 2018)
Self - Mountaineer (1 episode, 2018)
Self - National Institute of Anthropology & History, Mexico (1 episode, 2018)
Self - Lead Meteorologist (1 episode, 2018)
Self - Laser Interferometer Gravitational-Wave Observatory (1 episode, 2018)
Self - Professional Caver (1 episode, 2018)
Self - NASA in Silicon Valley (1 episode, 2019)
Self - University of Kentucky (1 episode, 2019)
Self - Historian of Science and Director of the Museo Galileo (1 episode, 2019)
Self - Historian, University of Bristol (1 episode, 2020)
Self - Clinical Psychologist, Penn Medicine (1 episode, 2020)
Self - Research Assistant, MIT Media labs (1 episode, 2020)
Self - Clive D.L. Wynne's Dog (1 episode, 2020)
Self - Queen Mary University of London (1 episode, 2021)
Self, bioarchaeologist (1 episode, 2022)
Self - NYU Langone Health (1 episode, 2022)
Self - University of Wales (1 episode, 2001)
Roald Amundsen (1 episode, 2002)
Marie Anne Lavoisier (1 episode, 2005)
Self - Aviator (1 episode, 2006)
Frank Darwin (1 episode, 2009)
Self - Mission Planner, Mars Science Laboratory (1 episode, 2012)
Self - Director of Anesthesia (1 episode, 2012)
Self - Bell Maker, The Verdin Company (1 episode, 2012)
Self - U.S. Geological Survey (1 episode, 2012)
Self - Wildlife Biologist (1 episode, 2012)
Self - Medical College of Wisconsin (1 episode, 2012)
Self - Senior National Secretary, Nautilus UK (1 episode, 2012)
Self - Ruskin School of Drawing and Fine Art, Oxford University (1 episode, 2012)
Self - Forensic Pathologist (1 episode, 2013)
Self - Governor of New York State, 1995-2006 (1 episode, 2013)
Self - New York City Police Department (1 episode, 2013)
Self - Karem Aircraft, Inc. (1 episode, 2013)
Self - NASA Jet Propulsion Laboratory (1 episode, 2013)
Self - Scientist (1 episode, 2013)
Self - Yeoman, U.S. Navy (1 episode, 2014)
Self - Royal Children's Hospital, Australia (1 episode, 2014)
Self - Microsemi Corporation (1 episode, 2015)
Self - Engineer (1 episode, 2016)
Self - Biogen, Chief Medical Officer (1 episode, 2016)
Self - NASA Goddard Space Flight Center (1 episode, 2017)
Self - Vilna Survivor (1 episode, 2017)
Self - EPA Water Regulations Expert (1 episode, 2017)
Self - Joint Center for Energy Storage Research (1 episode, 2017)
Self - West Nusa Tenggara State Museum (1 episode, 2017)
Self - Huai'an Museum (1 episode, 2017)
Self - Guidance and Control Engineer, NASA Jet Propulsion Laboratory (1 episode, 2017)
Self - Armorer (1 episode, 2017)
Self - DOSECC Exploration Services, Operations (1 episode, 2017)
Self - University of Florida (1 episode, 2018)
Self - Simulation Expert (1 episode, 2018)
Self - Royal Thai Navy (1 episode, 2018)
Self - Associate Professor, Konrad-Lorenz-Institut für Vergleichende Verhaltensforschung (1 episode, 2020)
Self - Veterinarian, West End Animal Wellness Center (1 episode, 2020)
Self - Philosopher of Science (1 episode, 2020)
Self - Physiological Psychologist, Penn Medicine (1 episode, 2020)
Self - University of Portsmouth (1 episode, 2021)
Self - Physics, Harvard University (1 episode, 1996)
Count de Amerval (1 episode, 2005)
Young Santos-Dumont (1 episode, 2006)
Horace Darwin (1 episode, 2009)
Self - Interactive Institute (1 episode, 2012)
Self - President, Children First Foundation (1 episode, 2012)
Self - Tornado Survivor (1 episode, 2012)
Self - Robotic Systems Engineer, Mars Science Laboratory (1 episode, 2012)
Self - Broad Institude of MIT and Harvard (1 episode, 2012)
Self - Costume Historian (1 episode, 2012)
Self - University of Michigan, Marine Hydrodynamics Laboratories (1 episode, 2012)
Self - Director, Mendeleev Museum (1 episode, 2012)
Self - Photo Interpreter Royal Air Force, Medmenham (1 episode, 2012)
Self - Mayor of New York City, 2001-2013 (2 episodes, 2013)
Self - Deputy Director, Tactical Technology Office, DARPA (1 episode, 2013)
Self - Urals Federal University (1 episode, 2013)
Self - University of Murcia (1 episode, 2013)
Self - Verizon (1 episode, 2013)
Self - Glider pilot, U.S. Air Force (1 episode, 2014)
Self - London School of Hygiene & Tropical Medicine (1 episode, 2014)
Self - Eli Lilly and Company (1 episode, 2016)
Self - Chernobyl Liquidator (1 episode, 2016)
Self - Nanjing Museum (1 episode, 2017)
Self - Cincinnati Lead Study (1 episode, 2017)
Self - Expert Metal Maker (1 episode, 2017)
Self - Leader, Underwater Camera Crew (1 episode, 2018)
Self - Groundwater Engineer (1 episode, 2018)
Self - Director, Event Horizon Telescope (1 episode, 2018)
Self - Head of Airplane Development (1 episode, 2018)
Self - Director, National Weather Service (1 episode, 2018)
Self - University of Cambridge (1 episode, 2019)
Self - Art Teacher, Charles H. Cecil Studios (1 episode, 2019)
Self - Podcaster, 'Sleep With Me' (1 episode, 2020)
Self - Domesticated Wolf (1 episode, 2020)
Self - Curator of Typographical and Technical Collections, Museum Plantin-Moretus (1 episode, 2020)
Egyptian Priest (1 episode, 2020)
Self - LifeLine Animal Project (1 episode, 2020)
Self - Bioethicist (1 episode, 2020)
Self, scientist in engineering (1 episode, 2022)
Self - Possible Abductee (1 episode, 1996)
Baroness de la Garde (1 episode, 2005)
Alberto Santos-Dumont (1 episode, 2006)
Lenny Darwin (1 episode, 2009)
Self - Co-founder, 23andMe, Inc. (1 episode, 2012)
Self - Oceanos Survivor (1 episode, 2012)
Self - Neurosurgeon (1 episode, 2012)
Self - Parachute Cognizant Engineer, Mars Science Laboratory (1 episode, 2012)
Self - United States Air Force Intelligence, Retired (1 episode, 2012)
Self - Ordnance Technician (1 episode, 2012)
Self - Author, Far From the Tree (1 episode, 2013)
Self - Massachusetts State Police (1 episode, 2013)
Self - Technical Advisor, 3D Laser Scanning (1 episode, 2013)
Self - Engineer, Port Authority of New York & New Jersey (1 episode, 2013)
Self - Major, United States Air Force (1 episode, 2013)
Self - Colonel, U.S. Army (Ret.) (1 episode, 2014)
Self - University of Melbourne (1 episode, 2014)
Self - Site Manager (1 episode, 2016)
Self - Brigham and Women's Hospital (1 episode, 2016)
Self - Memory Study Participant (1 episode, 2016)
Self - Virginia Tech (1 episode, 2017)
Reenactment Actor (1 episode, 2017)
Self - Institut de Physique du Globe De Paris (1 episode, 2017)
Self - HP White Laboratory (1 episode, 2017)
Self - Israeli Antiquities Authority (1 episode, 2017)
Self - Lead Electrical Engineer (1 episode, 2018)
Self - Oxford University (1 episode, 2018)
Self - Conservator (1 episode, 2018)
Self - National Weather Service (1 episode, 2018)
Self - Mount Holyoke College (1 episode, 2019)
Self - Historian of Construction, Massachusetts Institute of Technology (1 episode, 2019)
Self - Senior Animal Trainer, Wolfsforschungszentrum (1 episode, 2020)
Self - Coordinator for LifeLine Animal Project's Pets for Life Program (1 episode, 2020)
Self - Librarian and Archivist of Lambeth Palace Library (1 episode, 2020)
Self - Neuroscientist, Netherlands Institute for Neuroscience (1 episode, 2020)
Self - Kepler Mission Principal Investigator (1 episode, 2021)
self, environmental scientist, Royal Botanic Gardens (1 episode, 2022)
Self - University of British Columbia (1 episode, 2022)
Marat (1 episode, 2005)
Henry Deitsch de la Meurthe (1 episode, 2006)
Etty Darwin (1 episode, 2009)
Self - Inventor, Next Gen Sequencing (1 episode, 2012)
Self - Physical Therapist (1 episode, 2012)
Self - Historian, Peenemünde Museum (1 episode, 2012)
Self - Control Systems Manager, Mars Science Laboratory (1 episode, 2012)
Self - Aeronautics Engineer (1 episode, 2012)
Self - Senior Research Chemist (1 episode, 2012)
Self - Columbia University (1 episode, 2013)
Self - Driver (1 episode, 2013)
Self - Ball Aerospace & Technologies Corp (1 episode, 2013)
Self - Delta Commission (1 episode, 2013)
Self - Atlantic Council (1 episode, 2013)
Self - Luke Philbin's Mother (1 episode, 2014)
Self - Author and Higgins Biographer (1 episode, 2014)
Self - Washington University (1 episode, 2016)
Self - University of Michigan Battery Lab (1 episode, 2017)
Self - Jewish Theological Seminary (1 episode, 2017)
Self - New York University (1 episode, 2018)
Self - Institute of Astronomy, University of Cambridge (1 episode, 2018)
Self - Alaskan Archaeologist (1 episode, 2018)
Self - Safety Review Board & Head of Flight Test (1 episode, 2018)
Self - Graduate Structural Engineer (1 episode, 2019)
Self - InmateAid Service Dog (1 episode, 2020)
Self - Founder of The Amazing Acro-Cats (1 episode, 2020)
Self - Chief of Occupational Medicine at NYU Lagone Hospital - Long Island (1 episode, 2022)
self, archaeobotanist, University of Cambridge (1 episode, 2022)
John Gould (1 episode, 2009)
Self - University of New Haven (1 episode, 2012)
Self - Brandeis University (1 episode, 2012)
Self - Mittelbau-Dora Inmate (1 episode, 2012)
Self - 617 Squadron Pilot (1 episode, 2012)
Self - The Hastings Center (1 episode, 2012)
Self - BAE Systems (1 episode, 2013)
Self - Miller (1 episode, 2013)
Self - Forensic Artist (1 episode, 2013)
Self - Construction Worker (1 episode, 2013)
Self - Luke Philbin's Father (1 episode, 2014)
Self - Underwater Archaeologist (1 episode, 2014)
Self - Jake Hausler's Mother (1 episode, 2016)
Self - Former Michigan DEQ Spokesman (1 episode, 2017)
Self - Planetary Scientist, NASA's Jet Propulsion Laboratory (1 episode, 2017)
Self - Lithuanian Institute of History (1 episode, 2017)
Self - Astrophysicist (1 episode, 2017)
Self - Tesla Motors (1 episode, 2017)
Self - Deputy Flight Director (1 episode, 2018)
Self - Weather Decision Technologies, Inc. (1 episode, 2018)
Self - George Mason University (1 episode, 2018)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2018)
Self - University of Pennsylvania (1 episode, 2019)
Self - Construction Engineer (1 episode, 2019)
Self - CDCR Prison Inmate (1 episode, 2020)
Self - Winn Feline Foundation (1 episode, 2020)
Self - University of Amsterdam (1 episode, 2021)
Self - University of Hertfordshire (1 episode, 2021)
Self, biologist (1 episode, 2022)
Self - Psychology, University of Kentucky (1 episode, 1996)
Besso (1 episode, 2005)
Jane (1 episode, 2009)
Self - Fayetteville, North Carolina Police Department, Homicide Unit (1 episode, 2012)
Self - Möhne Dam Bombing Witness (1 episode, 2012)
Self - Head, Physical Conditioning, IMG (1 episode, 2012)
Self - Dartmouth College (1 episode, 2012)
Self - University of Greenwich (1 episode, 2012)
Self - Deltion Innovations Ltd. (1 episode, 2013)
Self - Partner, Davis Brody Bond (1 episode, 2013)
Self - Center for Civic Media, Massachusetts Institute of Technology (1 episode, 2013)
Self - Forensic Anthropologist (1 episode, 2013)
Self - Florey Institute of Neuroscience and Mental Health, University of Melbourne (1 episode, 2014)
Self - Curator, National WWII Museum (1 episode, 2014)
Self - Commissioning Engineer, Novarka (1 episode, 2016)
Self - Biogen (1 episode, 2016)
Self - Jake Hausler's Father (1 episode, 2016)
Self - Aerospace Engineer, Sapienza University of Rome (1 episode, 2017)
Self - Sandia National Laboratories (1 episode, 2017)
Self - University of Colorado, Boulder (1 episode, 2017)
Self - National Optical Astronomy Observatory (1 episode, 2018)
Self - Monmouth University Polling Institute (1 episode, 2018)
Self - Chief Digital and Government Affairs (1 episode, 2018)
Self - Hawaii Institute of Marine Biology (1 episode, 2018)
Self - Art Restorer (1 episode, 2019)
Self - Dog Trainer, Canine Companions for Independence (1 episode, 2020)
Maxwell (1 episode, 2005)
John Bennett (1 episode, 2009)
Self - Microbial Biologist (1 episode, 2012)
MGH / Self - Broad Institute (1 episode, 2012)
Self - North Carolina State University (1 episode, 2012)
Self - Wound Ballistics Researcher (1 episode, 2013)
Self - Director of Design, 9-11 Memorial (1 episode, 2013)
Self - Mendota Mental Health Institute (1 episode, 2013)
Self - VU University Amsterdam (1 episode, 2013)
Self - Corpsman, U.S. Navy, LST 523 (1 episode, 2014)
Self - Polio Patient (1 episode, 2014)
Self - Genentech, Neurobiologist (1 episode, 2016)
Self - Mammoet (1 episode, 2016)
Self - University of California, Irvine (1 episode, 2016)
Self - Edelman Fossil Park of Rowan University (1 episode, 2017)
Self - Duquesne University (1 episode, 2017)
Self - Former EPA Water Engineer (1 episode, 2017)
Self - FiveThirtyEight (1 episode, 2018)
Self - Asner Lab (1 episode, 2018)
Self - André Borschberg's Wife (1 episode, 2018)
Self - Painter (1 episode, 2019)
Self - Vanderbilt University (1 episode, 2019)
Self - California Department of Corrections and Rehabilitation (1 episode, 2020)
Self - Neurologist, Northwestern University (1 episode, 2020)
Self - Neuroscientist (1 episode, 1996)
Emilie du Châtelet (1 episode, 2005)
Self - Principal, Joplin High School (1 episode, 2012)
Harvard Med. / Self - Brigham and Women's (1 episode, 2012)
Self - Chief Technology Officer, Corning Inc. (1 episode, 2012)
Self - SHARK, Animal Abuse Investigator (1 episode, 2013)
Self - Chester County Pennsylvania, Department of Emergency Services (1 episode, 2013)
Self - CH2M Hill (1 episode, 2013)
Self - Mendota Juvenile Treatment Center (1 episode, 2013)
Self - Director, National September 11 Memorial & Museum (1 episode, 2013)
Self - Hydrographic Surveyor (1 episode, 2014)
Self - Father of Polio Patient (1 episode, 2014)
Self - Alzheimer's Patient (1 episode, 2016)
Self - General Methods Coordinator (1 episode, 2016)
Self - Rider University (1 episode, 2017)
Self - Vilna Gaon Jewish State Museum (1 episode, 2017)
Self - Executive Vice President, Baseball Operations, Oakland Athletics (1 episode, 2018)
Self - University of Washington (1 episode, 2018)
Self - Safety Review Board (1 episode, 2018)
Self - Colby College (1 episode, 2018)
Self - Assistant Professor, Boston University School of Medicine (1 episode, 2019)
Self - University of Newcastle (1 episode, 2019)
Self - Psychologist (1 episode, 1996)
Charles de Breteuil (1 episode, 2005)
Reverend Innes (1 episode, 2009)
Self - Chief Technology Officer, Molycorp Inc. (1 episode, 2012)
Self - Author, The $1,000 Genome (1 episode, 2012)
Self - Arizona State University (1 episode, 2012)
Self - Mother of Michael (1 episode, 2013)
Self - Engineer, PPG Industries (1 episode, 2013)
Self - The Water Institute of the Gulf (1 episode, 2013)
Self - TruePosition (1 episode, 2013)
Self - AeroVironment, Inc. (1 episode, 2013)
Self - Bill Allen's daughter (1 episode, 2014)
Self - Mother of Polio Patient (1 episode, 2014)
Self - Ecologist, University of Salford (1 episode, 2016)
Self - Wife of Alzheimer's Patient (1 episode, 2016)
Self - Hurley Children's Hospital (1 episode, 2017)
Self - Vrije Universiteit Brussel (1 episode, 2017)
Self - Amber Kinetics (1 episode, 2017)
Self - Research Scientist, University of Iowa (1 episode, 2017)
Self - United States Holocaust Memorial Museum (1 episode, 2017)
Self - University of California, Berkeley (1 episode, 2018)
Self - Electrical Engineer (1 episode, 2018)
Self - United States Coast Guard Sector Boston (1 episode, 2018)
Self - Curator, Royal Collection Trust (1 episode, 2019)
Self - Princeton University (1 episode, 2021)
Self - Harvard University (1 episode, 2021)
Self - Hypnosis Subject (1 episode, 1996)
Emilie's Tutor (1 episode, 2005)
Uncle Jos Wedgwood (1 episode, 2009)
Self - Physicist, The Ames Laboratory (1 episode, 2012)
Self - Huntington's Disease Patient (1 episode, 2012)
Self - Texas Tech University (1 episode, 2012)
Self - U.S. Army Corps of Engineers (1 episode, 2013)
Self - Glass Company Worker (1 episode, 2013)
Self - United State Navy (1 episode, 2013)
Self - Liza's Son (1 episode, 2013)
Self - University of California, Los Angeles (1 episode, 2014)
Self - Captain, 22 Dragoons (1 episode, 2014)
Self - Son of Alzheimer's Patient (1 episode, 2016)
Self - Southern California Edison (1 episode, 2017)
Self - Dutch National Museum for the History of Science and Medicine (1 episode, 2017)
Self - Michigan's Dept of Health & Human Services (1 episode, 2017)
Self - Air Traffic Controller (1 episode, 2018)
Self - University of California, Los Angeles (1 episode, 2019)
Self - Author (1 episode, 2020)
Self - Callie Truelove's Father (1 episode, 2020)
Self - Sociology, UC Berkeley (1 episode, 1996)
Emilie's Father (1 episode, 2005)
Annie Darwin (1 episode, 2009)
Self - Huntington's Disease Society (1 episode, 2012)
Self - Elevator Construction Crew Member (1 episode, 2013)
Self - Pfc., U.S. Army 90th Infantry Div. (1 episode, 2014)
Self - Mother of Cervical Cancer Victim (1 episode, 2014)
Self - Washington University in St. Louis (1 episode, 2016)
Self - Aquion Energy (1 episode, 2017)
Historian, Utrecht University / Self - Physicist (1 episode, 2017)
Self - Michigan Attorney General (1 episode, 2017)
Self - Engineer (1 episode, 2018)
Self - Marshall Islands Resident (1 episode, 2018)
Self - LIGO Hanford Observatory & CalTech (1 episode, 2018)
Self - Callie Truelove's Therapy Dog (1 episode, 2020)
Riverside County Fire Dept. / Self - Firefighter, CAL FIRE (1 episode, 2020)
Self - Fake Abductee (1 episode, 1996)
Voltaire (1 episode, 2005)
Dr. Robert Grant (1 episode, 2009)
Self - Institute for Systems Biology (1 episode, 2012)
Self - Paleoclimatologist (1 episode, 2012)
Self - CASA Engineering Research Center (1 episode, 2012)
Self - Oxford Internet Institute, University of Oxford (1 episode, 2013)
Self - One World Trade Center Raising Gang (1 episode, 2013)
Self - D-Day Expedition Director (1 episode, 2014)
Self - Planetary Scientist, Johns Hopkins University Applied Physics Laboratory (1 episode, 2017)
Self - KMB Architects (1 episode, 2017)
Self - Flint Water Response Team (1 episode, 2017)
Self - University of Oregon (1 episode, 2018)
Self - Managing Director (1 episode, 2018)
Self - Wetlands Watch, Norfolk, Virginia (1 episode, 2018)
Self - Howard University (1 episode, 2019)
Self - Founder, First Responders Resiliency Inc. (1 episode, 2020)
Algarotti (1 episode, 2005)
Joseph Dalton Hooker (1 episode, 2009)
Self - Medical College of Wisconsin and Children's Hospital of Wisconsin (1 episode, 2012)
Self - University of Oklahoma (1 episode, 2012)
Self - Research Physicist, Lawrence Livermore National Laboratory (1 episode, 2012)
Self - President, DCM Erectors, Inc. (1 episode, 2013)
Self - Consulting Engineer (1 episode, 2014)
Self - McGill University (1 episode, 2016)
Self - Exobiologist, Université Paris-Est Créteil (1 episode, 2017)
Self - Water Distribution Specialist (1 episode, 2017)
Self - Norfolk, Virginia Resident (1 episode, 2018)
Self - Mission Engineer (1 episode, 2018)
Sel - University of Sussex (1 episode, 2019)
Self - Retired Fireman, Santa Rosa Fire Department (1 episode, 2020)
Maupertuis (1 episode, 2005)
Self - Nuclear Engineer, American Nuclear Society Trinity Section (1 episode, 2012)
Self - Father of Andrew Schmitz (1 episode, 2012)
Self - Oklahoma Tornado Survivor (1 episode, 2012)
Self - Room for the River (1 episode, 2013)
Self - Architect and Designer, 9-11 Memorial (1 episode, 2013)
Self - Staff Sergeant, U.S. Army (1 episode, 2014)
Self - Harvard University (1 episode, 2016)
Self - Niece of Alzheimer's Patient (1 episode, 2016)
Self - Jewish Community of Lithuania (1 episode, 2017)
Self - Flint Fast Start Program (1 episode, 2017)
Self - Huygens Project Scientist, European Space Agency (1 episode, 2017)
Self - Flight Director (1 episode, 2018)
Self - Norfolk District, United States Army Corps of Engineers (1 episode, 2018)
Self - Carnegie Mellon University (1 episode, 2019)
Dr. Haller (1 episode, 2005)
Self - Patient of Howard Jacob (1 episode, 2012)
Self - Director, National Museum of Nuclear Science & History (1 episode, 2012)
Self - 9-11 Memorial Worker (1 episode, 2013)
Self - Municipality for Rotterdam (1 episode, 2013)
Self - University of California, Los Angeles (1 episode, 2016)
Self - Photographer (1 episode, 2017)
Self - Planetary Scientist, Southwest Research Institute (1 episode, 2017)
Self - Cockpit Systems Engineer (1 episode, 2018)
Self - United States Navy, Retired (1 episode, 2018)
Self - University of Notre Dame (1 episode, 2019)
Habicht (1 episode, 2005)
Self - Chemist, Lawrence Livermore National Laboratory (1 episode, 2012)
Self - Cystic Fibrosis Patient (1 episode, 2012)
Self - President, Service Metal (1 episode, 2013)
Self - Astronomer, Cornell University (1 episode, 2017)
Self - CAPCOM (1 episode, 2018)
Self - Norfolk Resident (1 episode, 2018)
Self - American University (1 episode, 2019)
Lise Meitner (1 episode, 2005)
Self - Children's Hospital Boston (1 episode, 2012)
Self - Service Metal (1 episode, 2013)
Self - André Borschberg's Daughter (1 episode, 2018)
Self - Harvard University (1 episode, 2019)
Self - Vertex Pharmaceuticals (1 episode, 2012)
Self - Executive Director, Port Authority of New York & New Jersey (1 episode, 2013)
Self - Husband of Alzheimer's Patient (1 episode, 2016)
Self - Planetary Scientist, SETI Institute (1 episode, 2017)
Self - Bertrand Piccard's Wife (1 episode, 2018)
Self - Geophysical Fluid Dynamics Laboratory (1 episode, 2018)
Self - University of Utah (1 episode, 2019)
Strassman (1 episode, 2005)
Self - Operations, Cassini Ion and Neutral Mass Spectrometer (1 episode, 2017)
Self - Bertrand Piccard's Daughter (1 episode, 2018)
Self - Chief Resilience Officer, Norfolk, Virginia (1 episode, 2018)
Self - Georgetown University (1 episode, 2019)
Horlein (1 episode, 2005)
Self - Melanoma Patient (1 episode, 2012)
Self - Probable Alzheimer's Patient (1 episode, 2016)
Self - Secretary General of the United Nations (1 episode, 2018)
Self - Vice President, Manufacturing, Whirlpool Corporation (1 episode, 2018)
Robert Frisch (1 episode, 2005)
Self - Mass General Hospital (1 episode, 2012)
Self - Former Senior Vice President of Knowledge, Google (1 episode, 2018)
Self - Chief Executive Officer, One Energy (1 episode, 2018)
Dana-Farber / Self - Broad Institute (1 episode, 2012)
Self - National Renewable Energy Laboratory (1 episode, 2018)
Self - Peace Research Institute Oslo (1 episode, 2019)
Self - Massachusetts General Hospital (1 episode, 2012)
Self - SWPS Uniwersytet Humanistycznospoleczny (1 episode, 2019)
Self - Genesis Genetics Institute (1 episode, 2012)
Self - Chief Executive Officer, Kiverdi (1 episode, 2018)
Self - Columbia University (1 episode, 2012)
Self - Igarapé Institute (1 episode, 2019)
Self - Patient (1 episode, 2012)
Self - Farmer (1 episode, 2018)
Self - Noah and Alexis Beery's Mother (1 episode, 2012)
Self - Safe Streets Baltimore (1 episode, 2019)
Self - Cure Violence Global (1 episode, 2019)
Self - Former Iraqui Christian Refugee (1 episode, 2019)
Self - Muslim Member of Ninevah Plain Soccer League (1 episode, 2019)
Self - Ninevah Plain League Organizer (1 episode, 2019)
Narrator (1 episode, 1974)
Self (1 episode, 1974)
Self (narrator) (1 episode, 1974)
(1 episode, 1974)
Self (1 episode, 1977)
Self (1 episode, 1978)
Self (2 episodes, 1978-2019)
Self - Glider Pilot (1 episode, 1978)
Self - Designer (1 episode, 1978)
Self - Icarus V (1 episode, 1978)
Self - Flight Lieutenant (1 episode, 1978)
Self - Lecturer in Aeronautics, Imperial College, London (1 episode, 1978)
Self - City University, New York (1 episode, 1978)
Self (1 episode, 1979)
Self (2 episodes, 1980-2019)
Narrator (1 episode, 1980)
Self (narrator) (1 episode, 1981)
Self (1 episode, 1981)
Self (1 episode, 1982)
Supreme Court Justice (1 episode, 1982)
Explainer (1 episode, 1982)
Narrator (1 episode, 1983)
Self (2 episodes, 1983-2008)
Self - Former Secretary of Defense (1 episode, 1983)
Self - Professor of Community Medicine, CUNY (1 episode, 1983)
Self - Physicist, Massachusetts Institute of Technology (1 episode, 1983)
Canada / Self - Dir., Military Studies Section, Institute for the Study of U.S. (1 episode, 1983)
Self - Assoc. Professor of Political Science, Massachusetts Institute of Technology (1 episode, 1983)
Self - Former Deputy Director, Central Intelligence Agency (1 episode, 1983)
Self - Former Director, Arms Control and Disarmament Agency (1 episode, 1983)
Self - Assistant Secretary of Defense, International Security Affairs (1 episode, 1983)
Self - Co-Founder, Committee on the Present Danger (1 episode, 1983)
Self - Former Ensign, U.S. Navy (1 episode, 1983)
Self - Assoc. Professor of Public Policy, Harvard University (1 episode, 1983)
Self - Physicist, Moscow Institute for the Study of Physical Problems (1 episode, 1983)
(1 episode, 1984)
Self - Host (1 episode, 1984)
Self (1 episode, 1985)
Self (1 episode, 1986)
Self (narrator) (1 episode, 1987)
Self (1 episode, 1987)
Self - Author and Pilot (1 episode, 1987)
Self - Air Safety Investigator, N.T.S.B. (1 episode, 1987)
Self - Manager, Flight Deck Integration, Boeing Commercial Aircraft Company (1 episode, 1987)
Self - Member, National Transportation Safety Board (1 episode, 1987)
Self - Manager, Flight Training, Eastern Airlines (1 episode, 1987)
Self - Delta Airlines (1 episode, 1987)
Self - Professor, Human Engineering, University of Miami (1 episode, 1987)
Self - Safety Investigator, Delta Airlines (1 episode, 1987)
Self - Senior Safety Consultant, United Airlines (1 episode, 1987)
Self - Airline Pilots Association (1 episode, 1987)
Self - Frontier Airlines (1 episode, 1987)
Self - Laboratory Technician, National Transportation Safety Board (1 episode, 1987)
Self - Scientist, Nat'l Center for Atmospheric Research (1 episode, 1987)
Self - Director, Delta Airlines National Media Relations (1 episode, 1987)
Self - Journalist (1 episode, 1987)
Self - Investigator, National Transportation Safety Board (1 episode, 1987)
Self - Director, NASA Aviation Safety Reporting System (1 episode, 1987)
Self - Manager, NASA Aerospace Human Factors Division (1 episode, 1987)
Self - Training Instructor, Continental Airlines (1 episode, 1987)
Self (1 episode, 1988)
Self - Narrator (1 episode, 1988)
Self - Host (1 episode, 1989)
Self (1 episode, 1989)
Self - Host (1 episode, 1991)
Narrator (1 episode, 1992)
Self - Special Agent (1 episode, 1992)
Self - Psychiatrist (1 episode, 1992)
Self - Forensic Psychologist (1 episode, 1992)
Self -District Attorney (1 episode, 1992)
Machine Boy (1 episode, 1992)
Host and Narrator (1 episode, 1992)
Self - Rochester Detective (1 episode, 1992)
Self (1 episode, 1993)
Self (Smithsonian Institution) (1 episode, 1993)
Narrator (1 episode, 1994)
(1 episode, 1994)
Self (1 episode, 1995)
Self - Granddaughter of Tsar's physician (1 episode, 1995)
Self - Narrator (1 episode, 1996)
Narrator (1 episode, 1997)
(1 episode, 1997)
Self (1 episode, 1997)
Self - Interviewee (1 episode, 1997)
Self - Historian (1 episode, 1997)
Self - Britannic Survivor (1 episode, 1997)
Self - Maritime Artist (1 episode, 1997)
Self - USAF Pararescueman (1 episode, 1997)
Self - Narrator (1 episode, 1998)
John Harrison (1 episode, 1998)
Narrator / Self (1 episode, 1998)
(1 episode, 1998)
Self (1 episode, 1998)
Self - Narrator (1 episode, 2000)
Richard Rampton (1 episode, 2000)
David Irving (1 episode, 2000)
The Hon. Mr. Justice Gray (1 episode, 2000)
Prof. Robert Jan Van Pelt (1 episode, 2000)
Self (1 episode, 2000)
Self / plus sized model (1 episode, 2000)
Self / clinical psychologist (1 episode, 2000)
Self / dancer at the American Ballet Company (1 episode, 2000)
Erin's mother / Self (1 episode, 2000)
Self / dancer (1 episode, 2000)
Self / former dancer at the Joffrey Ballet (1 episode, 2000)
Self / author of Fasting Girls (1 episode, 2000)
Nobel Prize Winner (1 episode, 2000)
Self / director of eating disorders treatment center (1 episode, 2000)
Self / dancer with NYC Ballet (1 episode, 2000)
Self / psychiatry professor at Wesleyan University (1 episode, 2000)
Self / University of Pittsburgh doctor (1 episode, 2000)
New York State Psychiatric Institute / Self (1 episode, 2000)
Self - Narrator (1 episode, 2001)
Voice of Methuselah (1 episode, 2001)
Presenter (1 episode, 2001)
Self (1 episode, 2001)
Narrator / Self (1 episode, 2001)
(1 episode, 2001)
Self - University of Hawaii, Honolulu (1 episode, 2001)
Self - Netherlands Institute (1 episode, 2001)
Self - University of Pennsylvania (1 episode, 2001)
Self - Copan Association (1 episode, 2001)
Self - Colgate University (1 episode, 2001)
Self - University of California, San Francisco (1 episode, 2001)
Self - Johns Hopkins Medical Center (1 episode, 2001)
Self - Yale University (1 episode, 2001)
Self - Brown University (1 episode, 2001)
Galileo (1 episode, 2002)
Maria Celeste (1 episode, 2002)
Self - World Trade Center Survivor (1 episode, 2002)
Ambassador (1 episode, 2002)
Self - World Trade Center Engineer (1 episode, 2002)
(1 episode, 2002)
Self - Archaeologist, University of Pennsylvania (1 episode, 2002)
Self - Structural Engineer (1 episode, 2002)
Self - Commentor (1 episode, 2002)
Author (1 episode, 2002)
Narrator (1 episode, 2002)
Self - Fireman and World Trade Center Survivor (1 episode, 2002)
Self - Anthropologist, Washington University (1 episode, 2002)
Self - Building Safety Analyst (1 episode, 2002)
Self - Paleoanthropologist, University of Michigan (1 episode, 2002)
Self - Reconstruction Artist (1 episode, 2002)
Inquistor (1 episode, 2002)
Self - Professor: Fire Protection Engineering (1 episode, 2002)
Self - Paleoanthropologist AMNH (1 episode, 2002)
Narrator (1 episode, 2003)
Translator (1 episode, 2003)
Self (1 episode, 2003)
Lawrence Bragg (1 episode, 2003)
Young Rosalind Franklin (1 episode, 2003)
Self - Engineer, The Boeing Company (1 episode, 2003)
Self - B.A.E. Test Pilot, Lockheed Martin (1 episode, 2003)
Self - Secretary of the United States Air Force (1 episode, 2003)
(1 episode, 2003)
Self - Program Manager, The Boeing Company (1 episode, 2003)
Raymond Gosling (1 episode, 2003)
Self - Manufacturing Engineer, The Boeing Company (1 episode, 2003)
Self - AsianArt.com (1 episode, 2003)
Self - Mechanic, The Boeing Company (1 episode, 2003)
Self - The Wright Experience (1 episode, 2003)
Self - Lieutenant Colonel, JSF Chief Test Pilot, U.S. Air Force (1 episode, 2003)
Historian / Self - Aviation Writer (1 episode, 2003)
Self - Writer, Flight International (1 episode, 2003)
Self - Art Conservator (1 episode, 2003)
Self - Rear Admiral, Joint Strike Fighter Program Director, 1995-1997 (1 episode, 2003)
Self - Engineer, Lockheed Martin (1 episode, 2003)
Self - King Mahendra Trust (1 episode, 2003)
Rosalind Franklin (1 episode, 2003)
Self - Sakya Order of Tibetan Buddhism (1 episode, 2003)
Self - Joint Strike Fighter Engineer, NASA (1 episode, 2003)
Self - Undersecretary of Defense for Acquisition, Technology and Logistics (1 episode, 2003)
Self - Lieutenant, U.S. Navy (1 episode, 2003)
Self - Chief Test Pilot, Lockheed Martin (1 episode, 2003)
Self - King of Mustang (1 episode, 2003)
Self - Contracts Director, Joint Strike Fighter (1 episode, 2003)
Self - National Air and Space Museum (1 episode, 2003)
Self - Vice President, Tactical Aircraft, Lockheed Martin (1 episode, 2003)
Self - Glider Pilot (1 episode, 2003)
J.T. Randall (1 episode, 2003)
James Watson (1 episode, 2003)
Self - Flight Test Engineer, The Boeing Company (1 episode, 2003)
Self - Major General, Joint Strike Force Program Director, 1993-1995 (1 episode, 2003)
Self - Test Pilot, The Boeing Company (1 episode, 2003)
Self - Machinist, Lockheed Martin (1 episode, 2003)
Self (photo) (1 episode, 2003)
Self - Joint Strike Fighter Program Office (1 episode, 2003)
Self - Department of Defense (1 episode, 2003)
Self - Aircraft Builder (1 episode, 2003)
Self - Assembly Manager, Lockheed Martin (1 episode, 2003)
Self - Flight Test Director, Lockheed Martin (1 episode, 2003)
Self - Flight Test Conductor, The Boeing Company (1 episode, 2003)
Self - Chief Test Pilot, The Boeing Company (1 episode, 2003)
Self - American Himalayan Foundation (1 episode, 2003)
Francis Crick (1 episode, 2003)
Self - Chief Executive Officer, The Boeing Company (1 episode, 2003)
Self - Chief Engineer, Lockheed Martin (1 episode, 2003)
Self - Former Member of Parliament, Tibet (1 episode, 2003)
Self - Boeing (1 episode, 2003)
Self - Major General, Joint Strike Fighter Program Director, 1999-2001 (1 episode, 2003)
Self - Commander, Test Pilot, U.S. Navy (1 episode, 2003)
Self (1 episode, 2004)
Translation voice (1 episode, 2004)
George Soper (1 episode, 2004)
(1 episode, 2004)
Mary Mallon (1 episode, 2004)
Reporter (1 episode, 2004)
Self - Weizmann Institute of Science (1 episode, 2004)
Self - Test Engineer (1 episode, 2004)
Self - Private First Class, Medic, 21st Combat Support Hospital (1 episode, 2004)
Self - 1960 Excavation Team Member (1 episode, 2004)
Self - Landing Systems Engineer, MER (1 episode, 2004)
Self - Technical Director, Planetary Systems, Raytheon (1 episode, 2004)
Self - Rover Engineer (1 episode, 2004)
Self - Major, Orthopedic Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Physician (1 episode, 2004)
Self - Colonel, Orthopedic Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Paleopathologist (1 episode, 2004)
Self - Colonel, Deputy Commander, 10th Combat Support Hospital (1 episode, 2004)
Self - NASA Countdown Voice, Kennedy Space Center (1 episode, 2004)
Self - University of Nebraska at Omaha (1 episode, 2004)
Self - Major, Operations Officer, 21st Combat Support Hospital (1 episode, 2004)
Self - Sergeant First Class, Senior Medical Noncommissioned Officer, 21st Combat Support Hospital (1 episode, 2004)
Self - Major, Anesthesiologist, 21st Combat Support Hospital (1 episode, 2004)
Self - Major, Urologist, 21st Combat Support Hospital (1 episode, 2004)
Self - Rover Systems Engineer, Jet Propulsion Laboratory (1 episode, 2004)
Self - Captain, Ward Nurse, 21st Combat Support Hospital (1 episode, 2004)
Self - Sergeant, Chemical Protection Specialist (1 episode, 2004)
Self - Major, Civil-Military Affairs, 62nd Brigade (1 episode, 2004)
Josephine Baker (1 episode, 2004)
Self - Captain (1 episode, 2004)
Self - Colonel, Commander, 21st Combat Support Hospital (1 episode, 2004)
Self - Colonel, Commander, 10th Combat Support Hospital (1 episode, 2004)
Self - Specialist, Preventative Medicine Specialist (1 episode, 2004)
Self - Private First Class (1 episode, 2004)
Self - Bar-Ilan University (1 episode, 2004)
Self - Drew University (1 episode, 2004)
Self - The Hebrew University of Jerusalem (1 episode, 2004)
Self - Captain, Emergency Room Nurse, 21st Combat Support Hospital (1 episode, 2004)
Self - New York University (1 episode, 2004)
Self - Wartburg College (1 episode, 2004)
Self - Major, General Surgeon, 21st Combat Support Hospital (1 episode, 2004)
Self - Sergeant First Class (1 episode, 2004)
Self - Colonel, Deputy Commander for Clinical Services (1 episode, 2004)
Self - Redeemer University College (1 episode, 2004)
Self - Engineer (1 episode, 2004)
Self - Narrator (1 episode, 2005)
Louis Blériot (1 episode, 2005)
Voice (1 episode, 2005)
Isaac Newton (1 episode, 2005)
Historical Reenactment (1 episode, 2005)
Self (1 episode, 2005)
Voice over (1 episode, 2005)
Self - Spirit Mission Manager (1 episode, 2005)
Self - Mars Program, Chief Scientist, NASA (1 episode, 2005)
Self - Natural History Museum, London (1 episode, 2005)
Self - Flight Director (1 episode, 2005)
(1 episode, 2005)
Self - University College London (1 episode, 2005)
Self - Honeybee Robotics (1 episode, 2005)
Self - University of Saragossa (1 episode, 2005)
Self - Civil Engineer (1 episode, 2005)
Self - Dibner Institute (1 episode, 2005)
Self - University of Kentucky (1 episode, 2005)
Self - Engineering Seismologist (1 episode, 2005)
Self - Yale University Librarian (1 episode, 2005)
Self - Mission Manager (1 episode, 2005)
Self - Imperial College London (1 episode, 2005)
Self - Darwin Biographer (1 episode, 2005)
Self - California Institute of Technology (1 episode, 2005)
Self - Engineer (1 episode, 2005)
Self - McCrone Associates (1 episode, 2005)
Self - Flight Software Architect (1 episode, 2005)
Self - Mechanical Systems Engineer (1 episode, 2005)
Self - Restaurant Owner (1 episode, 2005)
Self - Author, Isaac Newton (1 episode, 2005)
Self - University of King's College (1 episode, 2005)
Self - Alexander Vietor's wife (1 episode, 2005)
Self - Fault Protection Manager (1 episode, 2005)
Self - Brookhaven National Laboratory (1 episode, 2005)
Self - Lifeguard (1 episode, 2005)
Self - Rare book dealer (1 episode, 2005)
Self - Author, 'Maps, Myths and Men' (1 episode, 2005)
Self - Brandeis University (1 episode, 2005)
Self - Bournemouth University (1 episode, 2005)
Self - Indiana University (1 episode, 2005)
Self - American Museum of Natural History (1 episode, 2005)
Self - Son of Kenneth Oakley (1 episode, 2005)
Self - University of Tennessee (1 episode, 2005)
Self - Train Passenger (1 episode, 2005)
Self - MER (1 episode, 2005)
Self - Grandson of Woodward (1 episode, 2005)
Self - NASA Ames Research Center (1 episode, 2005)
Godfred Hansen (1 episode, 2006)
James Fitzjames (1 episode, 2006)
Francis Crozier (1 episode, 2006)
Roald Amundsen (1 episode, 2006)
(1 episode, 2006)
Lady Franklin (1 episode, 2006)
Self (1 episode, 2006)
Captain Victor Grubbs (1 episode, 2006)
Captain Van Zanten (1 episode, 2006)
Co-Pilot Klaas Meurs (1 episode, 2006)
Joe (1 episode, 2006)
Flight Engineer George Warns (1 episode, 2006)
Flight Engineer Willem Schreuder (1 episode, 2006)
Joe Rezwin (1 episode, 2006)
Self - Author of 'Frozen in Time' (1 episode, 2006)
Self - Defense Advanced Research Projects Agency (1 episode, 2006)
Sir John Franklin (1 episode, 2006)
Self - Red Team (1 episode, 2006)
Self - DARPA (1 episode, 2006)
Self - Graduate Student, Carnegie Mellon University (1 episode, 2006)
Self - Senior Writer, Scientific American (1 episode, 2006)
Self - Oshkosh Trucks (1 episode, 2006)
Self - Carnegie Mellon University (1 episode, 2006)
Self - Consultant (1 episode, 2006)
Self - Team Digital Auto Drive (1 episode, 2006)
Self - Blue Team (1 episode, 2006)
Narrator (1 episode, 2007)
Percy Julian (1 episode, 2007)
Stephen Harvey (1 episode, 2007)
Judge John Jones (1 episode, 2007)
Patrick Gillen (1 episode, 2007)
Kenneth R. Miller (1 episode, 2007)
John Smith (1 episode, 2007)
Self - Great Great Grandson of Charles Darwin (1 episode, 2007)
Kevin Padian (1 episode, 2007)
Alan Bonsell (1 episode, 2007)
Vic Walczak (1 episode, 2007)
Julian Lab Chemist (1 episode, 2007)
Richard Thompson (1 episode, 2007)
Prof. Blanchard (1 episode, 2007)
Barbara Forrest (1 episode, 2007)
Powhatan's Wife (1 episode, 2007)
Robert Muise (1 episode, 2007)
Scott Minnich (1 episode, 2007)
Counsel Hollabaugh (1 episode, 2007)
Michael Behe (1 episode, 2007)
Narrator / Self (1 episode, 2007)
Self (1 episode, 2007)
Chief Powhatan (1 episode, 2007)
Anna Julian (1 episode, 2007)
Senate Chairman O'Mahoney (1 episode, 2007)
Lynching Victim (1 episode, 2007)
Self - U.S. District Judge (1 episode, 2007)
Self - Thomas More Law Center (1 episode, 2007)
Grandfather (1 episode, 2007)
James Julian (1 episode, 2007)
Grandmother (1 episode, 2007)
Self - Millersville University (1 episode, 2007)
(1 episode, 2007)
Great Grandmother (1 episode, 2007)
Bill Buckingham (1 episode, 2007)
Josef Pikl (1 episode, 2007)
Percy's Mother (1 episode, 2007)
Self - comparative biologist, Southwestern University (1 episode, 2007)
Self - Australian reef guide (1 episode, 2007)
Percy Julian 10 yrs Old (1 episode, 2007)
Young Percy Julian (1 episode, 2007)
Young Pocahontas (1 episode, 2007)
Self - Dover Science Teacher (1 episode, 2007)
Self - UC Berkley (1 episode, 2007)
Self - National Center for Science Education (1 episode, 2007)
Self - Brown University (1 episode, 2007)
Percy Julian Jr. (1 episode, 2007)
Matt - AV Assistant (1 episode, 2007)
Self - Marine Biological Laboratory (1 episode, 2007)
Pocahontas (1 episode, 2007)
Eric Rothschild (1 episode, 2007)
Self - Narrator (1 episode, 2008)
Self (1 episode, 2008)
Self - Columbia Flight Manager (1 episode, 2008)
(1 episode, 2008)
Self - Science writer (1 episode, 2008)
Self - Pixar Animation Studio (1 episode, 2008)
Self - Astronaut (1 episode, 2008)
Self - University of California - Santa Cruz (1 episode, 2008)
Narrator / Self (1 episode, 2008)
Self - physicist - Yale University (1 episode, 2008)
Self - Bar-Ilan University (1 episode, 2008)
Self - Hebrew University of Jerusalem (1 episode, 2008)
Self - Boeing Engineer (1 episode, 2008)
Self - Columbia Division Chief Engineer (1 episode, 2008)
Self - Historian (1 episode, 2008)
Self - University College London (1 episode, 2008)
Self - Nasa Engineer (1 episode, 2008)
Self - Storrowton Museum (1 episode, 2008)
Self - Santa Fe Institute (1 episode, 2008)
Self - Industrial Light & Magic (1 episode, 2008)
Self - New York Times (1 episode, 2008)
Self - Shalem Center (1 episode, 2008)
Self - American University (1 episode, 2008)
Self - Space Policy Institute (1 episode, 2008)
Self - Linguist, OKMA Language Center (1 episode, 2008)
Self - Founder - Tesla Motors (1 episode, 2008)
Self - Columbia Accident Investigation Board (1 episode, 2008)
Self - University of Oxford (1 episode, 2008)
Self - Author, 'Breaking the Maya Code' (1 episode, 2008)
Self - Austrian Academy of Sciences (1 episode, 2008)
Self - Participant (1 episode, 2008)
Self - Space Analyst (1 episode, 2008)
Self - Chemistry Historian (1 episode, 2008)
Self - Art Historian, Princeton University (1 episode, 2008)
Self - Johns Hopkins University (1 episode, 2008)
Self - Epigrapher, La Trobe University (1 episode, 2008)
Self - Epigrapher - University of Pennsylvania Museum (1 episode, 2008)
Self - University of Athens (1 episode, 2008)
Self - National Air and Space Museum (1 episode, 2008)
Self - University of Arizona (1 episode, 2008)
Self - University of Colorado (1 episode, 2008)
Self - Massachusetts Institute of Technology, Department of Physics (1 episode, 2008)
Self - Linguist and Anthropologist (1 episode, 2008)
Self - Designer Software - LLC (1 episode, 2008)
Self - Linguist, Florida State University (1 episode, 2008)
Self - Boerhaave Museum (1 episode, 2008)
Self - Author, 'Cool Comfort' (1 episode, 2008)
Self - Rocky Mountain Institute (1 episode, 2008)
Self - Hebrew University of Jerusalem (Not Sure If This Is Same Zuckerman Already in Your Database) (1 episode, 2008)
Self - Husband of Astronaut Laurel Clark (1 episode, 2008)
Self - University of Southern Florida (1 episode, 2008)
Self - Epigrapher, University of Texas, Austin (1 episode, 2008)
Self - Harvard University (1 episode, 2008)
Self - Archeologist, Brown University (1 episode, 2008)
Self - Physicist (1 episode, 2008)
Self - Pennsylvania State University (1 episode, 2008)
Self - Massachusetts Institute of Technology - Department of Applied Mathematics (1 episode, 2008)
Self - Governor of California (1 episode, 2009)
Self - Actor (1 episode, 2009)
Self - Science Educator (1 episode, 2009)
Neanderthal Boy (1 episode, 2009)
Narrator (1 episode, 2009)
Self - Green for All (1 episode, 2009)
Self - Narrator (1 episode, 2009)
Terrorist (1 episode, 2009)
Self - The Worthington Dealership Group (1 episode, 2009)
Self - NASA Astronaut (1 episode, 2009)
Self - Extreme Ice Survey (1 episode, 2009)
(1 episode, 2009)
Self - Former FBI Supervisory Agent (1 episode, 2009)
Self - Harvard Medical School (1 episode, 2009)
Self - Universidad Complutense de Madrid (1 episode, 2009)
Narrator / Self (1 episode, 2009)
Self - University of Colorado at Boulder (1 episode, 2009)
Opthamologist (1 episode, 2009)
Self - Ecologist (1 episode, 2009)
Self - Former CIA Analyst (1 episode, 2009)
Self - The Ohio State University (1 episode, 2009)
Self - Geologist (1 episode, 2009)
Self - Archeologist (1 episode, 2009)
Self - Former NSA Voice Interceptor (1 episode, 2009)
Self - Former Staff Director, House Intelligence Committee (1 episode, 2009)
Self - College de France (1 episode, 2009)
Self (1 episode, 2009)
Self - Lamont-Doherty Earth Observatory (1 episode, 2009)
Self - Biologist (1 episode, 2009)
Self - Archeologie Andennaise (1 episode, 2009)
Self - National Geographic Grantee (1 episode, 2009)
Self - Max Planck Institute (1 episode, 2009)
Self - Luscious Garage (1 episode, 2009)
Self - University of Washington (1 episode, 2009)
Self - NSA Director of Research, 2002-2005 (1 episode, 2009)
Self - Richmond (1 episode, 2009)
Self - Wickline Bedding Company (1 episode, 2009)
Self - National Snow & Ice Data Center (1 episode, 2009)
Self - Papworth Hospital, Cambridge, England (1 episode, 2009)
Self - California State Assembly Member (1 episode, 2009)
Self - Nanosolar, Inc. (1 episode, 2009)
Self - Goddard Space Flight Center (1 episode, 2009)
Self - Internet Systems Consortium (1 episode, 2009)
Self - University of California, San Diego (1 episode, 2009)
Self - Hubble Project Scientist, Space Telescope Science Institute (1 episode, 2009)
11 Committee / Self - Staff Director, Congressional 9 (1 episode, 2009)
Self - Australian National Wildlife Collection (1 episode, 2009)
Self - Sierra Research, Inc. (1 episode, 2009)
Self - University of Liege (1 episode, 2009)
Self - Research Subject (1 episode, 2009)
Self - Glaciologist (1 episode, 2009)
Self - University College London (1 episode, 2009)
Self - Catalan Institute of Paleoecology (1 episode, 2009)
Self - Boston University (1 episode, 2009)
Self - Zoologist (1 episode, 2009)
Self - London Zoo (1 episode, 2009)
Homo Erectus (1 episode, 2009)
Self - Solar Richmond Graduate (1 episode, 2009)
Self - University of Kansas (1 episode, 2009)
Self - Hubble Tool Engineer (1 episode, 2009)
Self - Competitive Enterprise Institute (1 episode, 2009)
Self - Woods Hole Oceanographic Institution (1 episode, 2009)
Self - Retired NASA Scientist (1 episode, 2009)
Self - Georgian National Museum (1 episode, 2009)
Self - Boston Psychoanalytic Institute (1 episode, 2009)
Self - Lead Spacewalk Instructor (1 episode, 2009)
Self - University of Potsdam (1 episode, 2009)
Self - Wife of Research Subject (1 episode, 2009)
Self - Sweet Briar College (1 episode, 2009)
Self - Stony Brook University (1 episode, 2009)
Self - University of Cape Town (1 episode, 2009)
Neanderthal (1 episode, 2009)
Self - National Geographic Explorer-in-Residence (1 episode, 2009)
Self - Massachusetts Institute of Technology (1 episode, 2009)
Self - Biopsychologist (1 episode, 2009)
Self - The Economist (1 episode, 2009)
Self - NSA Executive Director, 1999-2001 (1 episode, 2009)
Self - NASA Astronaut Trainer (1 episode, 2009)
Self - Author (1 episode, 2009)
Self - Emory University (1 episode, 2009)
Self - University of Pennsylvania (1 episode, 2009)
Self - Penn State University (1 episode, 2009)
Self - Former AT&T Technician (1 episode, 2009)
Self - University of Turku (1 episode, 2009)
Self - Oxford University (1 episode, 2009)
Self - International Network for Bamboo and Rattan (1 episode, 2009)
Self - University of Toronto (1 episode, 2009)
Self - Google, Inc. (1 episode, 2009)
Self - University of California, Santa Cruz (1 episode, 2009)
Self - University of Montreal (1 episode, 2009)
Self - New York University (1 episode, 2009)
Self - Director, Hubble Servicing Mission (1 episode, 2009)
Self - U.S. Geological Survey Alaska Science Center (1 episode, 2009)
Mahroos (1 episode, 2010)
Performer (1 episode, 2010)
Self - Film Critic and Historian (1 episode, 2010)
Self - Supreme Council of Antiquities (1 episode, 2010)
Venetia Burney (1 episode, 2010)
Self (1 episode, 2010)
(1 episode, 2010)
Self - University of Chicago Booth School of Business (1 episode, 2010)
Self - Technical Diving Specialist (1 episode, 2010)
Self - Amateur Astronomer (1 episode, 2010)
Self - Harvard-Smithsonian Center for Astrophysics (1 episode, 2010)
Self - Director of Photography, Karst Productions (1 episode, 2010)
Self - Yale University (1 episode, 2010)
Self - University of Chicago (1 episode, 2010)
Self - Professor: University of Utrecht (1 episode, 2010)
Self - Tulane University (1 episode, 2010)
Self - Shipwright (1 episode, 2010)
Hurl / Self - Director of Operations, NOAA (1 episode, 2010)
Self - National Museum of the Bahamas (1 episode, 2010)
Self - German Archaeological Institute (1 episode, 2010)
Self - Assistant Professor (1 episode, 2010)
Self - Clyde Tombaugh's Son (1 episode, 2010)
Self - Chapman University School of Law, 2002 Nobel Prize Winner in Economics (1 episode, 2010)
Self - Harvard University (1 episode, 2010)
Self - Handshouse Studio (1 episode, 2010)
Self - University of Miami (1 episode, 2010)
Self - Chicago Mercantile Exchange (1 episode, 2010)
Self - GMO, LLC (1 episode, 2010)
Self - Paleohydrologist (1 episode, 2010)
Self - The Wall Street Journal (1 episode, 2010)
Self - Senator, Republican, 28th District, Illinois (1 episode, 2010)
Self - Southern Connecticut State University (1 episode, 2010)
Self - Cambridge University (1 episode, 2010)
Self - University of California, Riverside (1 episode, 2010)
Self - Coastal Carolina University (1 episode, 2010)
Self - New York Stock Exchange (1 episode, 2010)
Self - Swansea University (1 episode, 2010)
Self - The New York Times (1 episode, 2010)
Self - NASA Scientist (1 episode, 2010)
Self - American Museum of Natural History (1 episode, 2010)
Self - Archeologist (1 episode, 2010)
Self - Ecologist, United States Department of Agriculture Forest Service (1 episode, 2010)
Self - Machu Picchu Archeological Park (1 episode, 2010)
Self - Credit Suisse (1 episode, 2010)
Self - Walt Disney's Great Nephew (1 episode, 2010)
Self - Author, 'A Mile Down' (1 episode, 2010)
Self - Sculptor (1 episode, 2010)
Self - Knight Capital Group (1 episode, 2010)
Self - National Geographic Explorer-in-Residence (1 episode, 2010)
Self - Peruvian Culture Institute (1 episode, 2010)
Self - University of Florida (1 episode, 2010)
Self - Harvard Business Review (1 episode, 2010)
Self - Geologist, United States Geological Survey (1 episode, 2010)
Self - Science Diver, Bahamas Caves Research Foundation (1 episode, 2010)
Self - Boston University (1 episode, 2010)
Self - Clyde Tombaugh's Widow (1 episode, 2010)
Self - Stanford University (1 episode, 2010)
Self - Chicago Mercantile Exchange Trader (1 episode, 2010)
(1 episode, 2011)
Self (1 episode, 2011)
Self - Embery Institute for Wildlife Conservation (1 episode, 2011)
Actor (1 episode, 2011)
Young Alan Guth (1 episode, 2011)
Young John Clauser (1 episode, 2011)
Young Spy (1 episode, 2011)
Multiverse Motel Desk Clerk (1 episode, 2011)
Self - Columbia University (1 episode, 2011)
Spaceport Attendant (1 episode, 2011)
Self - UC Davis (1 episode, 2011)
Self - Nuclear Security Expert - Massachusetts Institute of Technology (1 episode, 2011)
Self - Biologist, Lewis & Clark College (1 episode, 2011)
Self - Astronomer at the Southwest Research Institute (1 episode, 2011)
Self - Volcanologist at JPL (1 episode, 2011)
Self - Owner, English Antique Glass (1 episode, 2011)
Self - Gastroenterologist, Boston University (1 episode, 2011)
Self - Technician (1 episode, 2011)
Self - Astrophysicist at Ames Research Center (1 episode, 2011)
Self - Electrical Engineer, Duke University (1 episode, 2011)
Self - Metallurgist, Author, Why Things Break (1 episode, 2011)
Self - Astronomer at University of Arizona (1 episode, 2011)
Self - UC Santa Barbara (1 episode, 2011)
Self - Biomaterials Engineer (1 episode, 2011)
Self - Biologist at Woods Hole Oceanographic Institute (1 episode, 2011)
Self - Beekeeper (1 episode, 2011)
Self - Cedars-Sinai Medical Center, Molecular Pathology (1 episode, 2011)
Self - Planetary Scientist at Harvard University (1 episode, 2011)
Self - Student, Institute of Robotics, ETH Zurich (1 episode, 2011)
Self - Tufts University (1 episode, 2011)
Self - Owner, Outlaw Motor Speedway (1 episode, 2011)
Self - Consumer Electronics Show Participant (1 episode, 2011)
Narrator / Self (1 episode, 2011)
Self - Vice President, Intel Corporation (1 episode, 2011)
Self - Theoretical Physicist, Imperial College London (1 episode, 2011)
Self - Dir. of Engineering, H.I.T. (1 episode, 2011)
Self - Physicist, Massachusetts Institute of Technology (1 episode, 2011)
Self - Ballistics Scientist, Dupont (1 episode, 2011)
Self - Dir. of Operations, H.I.T. (1 episode, 2011)
Self - General Manager, Ellwood Technologies (1 episode, 2011)
Self - NIST (1 episode, 2011)
Self - Stanford University (1 episode, 2011)
Self - Geologist at Colorado University in Boulder (1 episode, 2011)
Self - Head of Cathedral Studios (1 episode, 2011)
Self - Edgerton Center, Massachusetts Institute of Technology (1 episode, 2011)
Self - Molecular Biologist, University of Wyoming (1 episode, 2011)
Self - Shark Expert (1 episode, 2011)
Self - Patient (1 episode, 2011)
Self - Cardiologist, Washington University (1 episode, 2011)
Self - Coastal Engineer - University of Southern California (1 episode, 2011)
Self - University of Texas at Dallas, NanoTech Institute (1 episode, 2011)
Self - Princeton University (1 episode, 2011)
Self - Chemist, University of Texas at Dallas, NanoTech Institute (1 episode, 2011)
Self - Mechanical Engineer, Stanford University (1 episode, 2011)
Self - Chief Operating Officer, Ulysse Nardin (1 episode, 2011)
Self - United States Navy (1 episode, 2011)
Self - Fashion Designer (1 episode, 2011)
Self - Chemist, Northwestern University (1 episode, 2011)
Self - Materials Scientist, Virginia Tech (1 episode, 2011)
Self - Astrobiologist at Goddard Space Flight Center (1 episode, 2011)
Self - Polymer Engineer, Lord Corporation (1 episode, 2011)
Self - Institute of Robotics, ETH Zurich (1 episode, 2011)
Self - Materials Scientist, University of California, San Diego (1 episode, 2011)
Self - IBM Research Division (1 episode, 2011)
Translation Voiceovers (1 episode, 2012)
Self (1 episode, 2012)
Self - Point Breeze Volunteer Fire Dept. (1 episode, 2012)
Self - New York City MTA (1 episode, 2012)
Self - ECMWF (1 episode, 2012)
Self - Con Edison (1 episode, 2012)
Self - Stormchaser (1 episode, 2012)
Self - Chairman & CEO NYC MTA (1 episode, 2012)
Self - SUNY Stony Brook (1 episode, 2012)
Self - New York City Fire Commissioner (1 episode, 2012)
Self - Social Media Manager FDNY (1 episode, 2012)
Self - NOAA Earth System Research Lab (1 episode, 2012)
Self - Center for Climate Sys. Research (1 episode, 2012)
Self (1 episode, 2013)
Self - Texas Tech University (1 episode, 2013)
Self - Teacher, Plaza Towers Elementary (1 episode, 2013)
(1 episode, 2013)
Self - Director, National Center for Disaster Preparedness (1 episode, 2013)
Self - Nurse, Oklahoma Heart Hospital (1 episode, 2013)
Self (3 episodes, 2007-2014)
Self (2 episodes, 2008-2014)
Self (1 episode, 2014)
(1 episode, 2014)
Benjamin Franklin (1 episode, 2014)
(1 episode, 2015)
Self (1 episode, 2015)
Self - Boston College (1 episode, 2015)
Captain James Fitzjames (1 episode, 2015)
Self - Sprecher (1 episode, 2015)
Self - Professor for Archaeology, Brown University, Rhode Island (1 episode, 2015)
Matthew Berger (1 episode, 2015)
Self - Narrator (1 episode, 2015)
Self (2 episodes, 2009-2015)
Narrator (1 episode, 2015)
Self - Professor of Geosciences, University of Arkansas (1 episode, 2015)
Self - Professor for Ancient History, George Washington University, Washington, D.C. (1 episode, 2015)
Einsterin (1 episode, 2015)
Self - Archeologist, University of Massachusetts Amherst (1 episode, 2015)
Self - Archaeologist, Penn State Behrend College, Pennsylvania (1 episode, 2015)
Self - Maritime Archaeologist (1 episode, 2015)
Self - Archaeologist, Centre National de la Recherche Scientifique (CNRS) (1 episode, 2015)
Self - Maritime Historian (1 episode, 2015)
Self - Archeologist, Brown University, Rhode Island (1 episode, 2015)
Self - Researcher, University of Oxford (1 episode, 2015)
Self - Archaeologist, Petra National Trust (1 episode, 2015)
Self - Site Supervisor - UR (1 episode, 2015)
Self - Lecturer of Ancient History, Université d'Orléans (1 episode, 2015)
Self - University of Michigan (1 episode, 2015)
Self - SOAS - University of London (1 episode, 2015)
Self - Director of the American Center of Oriental Research (1 episode, 2015)
Self - Stonemason, Hunt Studios, California (1 episode, 2015)
Self - Harvard University (1 episode, 2015)
Self - Engineer, CFD Consultants International, California (1 episode, 2015)
Self - Archaeoanthropologist, AFT (1 episode, 2015)
Self - University of South Carolina (1 episode, 2015)
Self - Archaeologist, Brown University, Rhode Island (1 episode, 2015)
Narrator / Self (1 episode, 2016)
(1 episode, 2016)
Self (1 episode, 2016)
Self - Author, United States of Jihad (1 episode, 2016)
Self - Head of Global Policy Management, Facebook (1 episode, 2016)
Presenter / Self (1 episode, 2016)
Self - Expert, Countering Violent Extremism (1 episode, 2016)
Self - Chief U.S. District Judge, District of Minnesota (1 episode, 2016)
Self - George Washington University Program on Extremism (1 episode, 2016)
Self - Tennessee Div. of Archaeology (1 episode, 2016)
Omar Hammami (1 episode, 2016)
Self - Robotics Expert (1 episode, 2016)
Self - Assistant Attorney General for National Security (1 episode, 2016)
Self - University of Maryland (1 episode, 2016)
Self - Opals Down Under (1 episode, 2016)
Self - Paleo Artist (1 episode, 2016)
Self - University of California, Berkeley (1 episode, 2016)
Self - Stanford University (1 episode, 2016)
Self - Senior Intellegence Analyst, iBRABO (1 episode, 2016)
Self - Counterterrorism Expert (1 episode, 2016)
Self - Former Director NYPD Intelligence Analysis (1 episode, 2016)
Self - University of Maryland graduate student (1 episode, 2016)
Self - German Institute on Radicalization and De-radicalization Studies (1 episode, 2016)
Self - Florida Institute for Human & Machine Cognition (IHMC) Team Member (1 episode, 2016)
Self - Director, National Counterterrorism Center (1 episode, 2016)
Voice over (1 episode, 2017)
Self (1 episode, 2017)
Self - Fmr. Undersecretary of the U.S. Army (1 episode, 2017)
Self - Fmr. Administrator - Fed. Railroad Admin. (1 episode, 2017)
Self - Volpe Nat'l Transportation Systems Ctr. (1 episode, 2017)
Self - NTSB (1 episode, 2017)
Self - Transportation Technologist (1 episode, 2017)
Self - Former Board Chairman - Metrolink (1 episode, 2017)
Self - Metrolink (1 episode, 2017)
Self - Nat'l Transportation Safety Board (1 episode, 2017)
Self - Central Japan Railway Company (1 episode, 2017)
Self - Kansai University (1 episode, 2017)
Self - Former Locomotive Engineer (1 episode, 2017)
Self - Transportation Board of Canada (1 episode, 2017)
Self (1 episode, 2018)
Lady tasting tea (1 episode, 2018)
Self - Historian and Author (1 episode, 2018)
Self - Physicist (1 episode, 2018)
Self - Current Spitfire Pilot (1 episode, 2018)
Self - Mine Disposal Expert (1 episode, 2018)
Self - Curator, Imperial War Museum (1 episode, 2018)
Gravity Café Server (1 episode, 2018)
Self - Dunkirk Veteran (1 episode, 2018)
Self - Military Historian (1 episode, 2018)
Self - Spiyfire Restorer (1 episode, 2018)
Self - Air Combat Historian (1 episode, 2018)
Self - Massachusetts Division of Fisheries and Wildlife (1 episode, 2018)
Self - Bioarchaeologist (1 episode, 2019)
Self - Archaeologist (1 episode, 2019)
Self - Mission Scientist Juno (1 episode, 2019)
Self - Historian (1 episode, 2019)
Self - Director of the Vesuvius Observatory (1 episode, 2019)
Self - Scientist, Cassisi (1 episode, 2019)
Self - Hazard Team Lead, New Horizons Mission (1 episode, 2019)
Magician (1 episode, 2019)
Self - Scientist, Cassini (1 episode, 2019)
Self - Volcanologist (1 episode, 2019)
Self - Chief Executive Officer, Astrobotic (1 episode, 2019)
Self - Principal Investigator, LCROSS, NASA (1 episode, 2019)
Self - Space Flight Journalist (1 episode, 2019)
Self - Planetary Scientist, UCLA (1 episode, 2019)
Self - Investigation Scientist, Cassini (1 episode, 2019)
Self - Hawaiian Culture Expert (1 episode, 2019)
Self - Pathologist (1 episode, 2019)
Self - Co-Investigator, New Horizons (1 episode, 2019)
Self - Lunar Geologist, University of Manchester (1 episode, 2019)
Self - Senior Technologist, Swamp Works, NASA (1 episode, 2019)
Self - Navigation Team Chief, New Horizons Mission (1 episode, 2019)
Self - University of Toronto (1 episode, 2019)
Self - Assistant Professor, Arizona State University (1 episode, 2019)
Self - US Forest Service Paleontologist (1 episode, 2019)
Self - Senior Scientist, Lunar and Planetary Institute (1 episode, 2019)
Self - Seismologist (1 episode, 2019)
Self - Hawaiian Volcano Observatory (1 episode, 2019)
Self - Space Resources Professor, CO School of Mines (1 episode, 2019)
Self - Geophysician and Volcanologist (1 episode, 2019)
Self - Arizona State University (1 episode, 2019)
Self - Leilani Estates Resident (1 episode, 2019)
Self - planetary scientist, New Horizons Mission (1 episode, 2019)
Self - Planetary Scientist, New Horizons Mission (1 episode, 2019)
Self - Geochemist (1 episode, 2019)
Narrator (1 episode, 2019)
Self - Evolutionary Biochemist, University College London (1 episode, 2019)
Self - Cartographer (1 episode, 2019)
Self - Chief Exploration Scientist, HEOMD, NASA (1 episode, 2019)
Self - civil defence commissioner (1 episode, 2019)
Self - Sharpshooter (1 episode, 2019)
Self - Deputy Project Scientist, Mars Reconnaissance Orbiter (1 episode, 2019)
Self - Director, Center for Space Resources, CO School of Mines (1 episode, 2019)
Self - Head of Boatbuilding, The Viking Ship Museum (1 episode, 2019)
Self - Astrophysicist, New Horizons Mission (1 episode, 2019)
Self - Detectorist and Amateur Archaeologist (1 episode, 2019)
Self - Paleogeneticist (1 episode, 2019)
Self - Principal Investigator, Mars Atmosphere and Volatile Evolution Mission (MAVEN) (1 episode, 2019)
Self - Experimental Archaeologist (1 episode, 2019)
Narrator (1 episode, 2020)
Self - Narrator (1 episode, 2020)
Self - Sprecherin (1 episode, 2020)
Self - Sprecher (1 episode, 2020)
Self - OSIRIS-REx Senior Systems Engineer - University of Arizona (1 episode, 2020)
Self Hayabusa2 Mission Manager - Jaxa (1 episode, 2020)
Self - OSIRIS-REx Mission Operations Manager - Lockheed Martin (1 episode, 2020)
Self - OSIRIS-REx Deputy Project Manager - NASA Goddard Space Flight Center (1 episode, 2020)
Self - Physicist - University of Colorado (1 episode, 2020)
Self - Hayabusa2 Project Manager - Jaxa (1 episode, 2020)
Self - OSIRIS-REx Camera Scientist - University of Arizona (1 episode, 2020)
Self - OSIRIS-REx Astronomy Working Group Lead - University of Arizona (1 episode, 2020)
Self - Hayabusa2 Optical Navigation Investigator - University of Tokyo (1 episode, 2020)
Self - Research Director - CNRS (1 episode, 2020)
Self - OSIRIS-REx Principal Investigator - University of Arizona (1 episode, 2020)
Self Cosmochemist - Arizone State University (1 episode, 2020)
Self - OSIRIS-REx OpNav Lead (1 episode, 2020)
Self - OSIRIS-REx Spectroscopy Lead - Southwest Research Institute (1 episode, 2020)
(1 episode, 2020)
Self - OSIRIS-REx Image Processing Lead - University of Arizona (1 episode, 2020)
Self (1 episode, 2021)
Speaker (1 episode, 2021)
Narrator (1 episode, 2021)
Self - University of Wisconsin-Madison Physicist (1 episode, 2021)
Self - Columbia University Physicist (1 episode, 2021)
Self - NASA Ames Research Center / Test Pilot and Engineer (1 episode, 2021)
Atmosphere Team, MOSAiC (1 episode, 2021)
Biogeochemistry Team, MOSAiC (1 episode, 2021)
Self (2 episodes, 2008-2021)
Self - USAF Reserve Pilot, Aviation Consultant (1 episode, 2021)
Ice team, Remote Sensing - MOSAiC (1 episode, 2021)
Founder / Self - H2FLY (1 episode, 2021)
Ecosystem Team, MOSAiC (1 episode, 2021)
MOSAiC Expedition Leader (1 episode, 2021)
Captain, Kapitan Dranitsyn (1 episode, 2021)
Self - Professor of Chemical Engineering (1 episode, 2021)
MOSAiC Expedition Photographer (1 episode, 2021)
President and CEO / Self - New Vision Aviation (1 episode, 2021)
(1 episode, 2021)
Self - Aeronautical Engineer (1 episode, 2021)
Self - Cornell University Astronomer (1 episode, 2021)
Aerospace Research Engineer / Self - NASA Ames Research Center (1 episode, 2021)
Self - Ampaire / Senior Vice President of Global Partnerships (1 episode, 2021)
Founder and CEO / Self - Joby Aviation (1 episode, 2021)
Self - Elroy Air / Vice President of Strategy and Business Development (1 episode, 2021)
Self - Joby Aviation Test Pilot (1 episode, 2021)
Director, Business and Product Development / Self - Ampaire (1 episode, 2021)
Self - Flight Instructor (1 episode, 2021)
Self - Aviation Historian and Author (1 episode, 2021)
Professor, Department of Civil and Environmental Engineering / Self - Tufts University (1 episode, 2021)
MOSAiC Expedition, Leg 2 (1 episode, 2021)
Self - Curator and Director, Navy Lakehurst Historical Society (1 episode, 2021)
Self - Nephew of Harold Schenk (1 episode, 2021)
Bear Guard, MOSAiC (1 episode, 2021)
Self - Oxford University Particle Physicist (1 episode, 2021)
Research Assistant Professor, Department of Civil and Environmental Engineering / Self - Tufts University (1 episode, 2021)
Chief Engineer / Self - Elroy Air (1 episode, 2021)
Self - Fermilab Neutrino Division Particle Physicist (1 episode, 2021)
Self - Helicopter Pilot (1 episode, 2021)
Chief of the Aviation Systems Division / Self - NASA Ames Research Center (1 episode, 2021)
Engineer / Self - NASA Armstrong Flight Research Center (1 episode, 2021)
Self - Archives Director, Zeppelin Museum (1 episode, 2021)
Ice team, Snow Physicist - MOSAiC (1 episode, 2021)
Self - Student Pilot (1 episode, 2021)
MOSAiC Expedition Coordinator (1 episode, 2021)
Self - MIT Physicist (1 episode, 2021)
Chief Strategy Officer / Self - EHang (1 episode, 2021)
Ecosystem Team Leader, MOSAiC Expedition (1 episode, 2021)
Self - Professor of History, Albright College (1 episode, 2021)
Chief, Flight Operations Engineering / Self - NASA Armstrong Flight Research Center (1 episode, 2021)
Self - Archival Technician, Colorado (1 episode, 2021)
Self - Narrator (1 episode, 2022)
Narrator (1 episode, 2022)
Self - Sprecherin (1 episode, 2022)
Self - narrator (1 episode, 2022)
Self - Paleontologist (1 episode, 2022)
Self - Caltech Seismologist (1 episode, 2022)
Self - Sprecher (1 episode, 2022)
Self - Maritime Historian (1 episode, 2022)
Self - Chief Architect (1 episode, 2022)
Walter Mutti (1 episode, 2022)
Narrator / Self (1 episode, 2022)
Self - Exoplanet Scientist, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Chief Architect of Historic Monuments (1 episode, 2022)
Self - Deputy Director of Operations (1 episode, 2022)
Self - Glass Conservation Scientist (1 episode, 2022)
Self - Instrument Systems Engineer, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Council on Tall Buildings and Urban Habitat (1 episode, 2022)
Self - Program Director, JWST, NASA (1 episode, 2022)
Self - Architect (1 episode, 2022)
Self - Optics Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Sawmill Owner (1 episode, 2022)
(1 episode, 2022)
Self - Bloomberg NYC Hospitality Manager (1 episode, 2022)
Self - Skyscraper Museum Founder & Director (1 episode, 2022)
Self - Engineer (1 episode, 2022)
Self - Decontamination Specialist (1 episode, 2022)
Self - 2nd Officer, Maersk Denver (1 episode, 2022)
Self - Maritime Rescue Center Director (1 episode, 2022)
Self - Dep. Project Scientist, Planetary Science, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Sr. Integration Engineer, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Stained Glass Historian (1 episode, 2022)
Self - Restorer (1 episode, 2022)
Self - Bloomberg Journalist (1 episode, 2022)
Self - Conservation Architect (1 episode, 2022)
Self - Marine Accident Investigator (1 episode, 2022)
Self - Charman, Suez Canal Authority (1 episode, 2022)
Self - Observatory Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Bloomberg Chief Administrative Officer (1 episode, 2022)
Self - Logger (1 episode, 2022)
Self - Health and Safety Operative (1 episode, 2022)
Host / Self (1 episode, 2022)
Self - 2nd Assistant Engineer, Maersk Denver (1 episode, 2022)
Self - Exoplanet Scientist, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Geologist (1 episode, 2022)
Self - Stone Conservation Scientist (1 episode, 2022)
Self - Glass Worker (1 episode, 2022)
Self - Forestry Technician (1 episode, 2022)
Self - Glass Factory Director at Verrerie de Saint-Just (1 episode, 2022)
Self - Deployment Systems Lead, JWST, NASA Goddard Space Flight Center (1 episode, 2022)
Self - Head of Navigation Control (1 episode, 2022)
Self - Operations Controller, JWST, Space Telescope Science Institute (1 episode, 2022)
Self - Maritime expert (1 episode, 2022)
Self - NIRCam Principal Investigator, University of Arizona (1 episode, 2022)
Self - Metal Archaeologist (1 episode, 2022)
Self - Maritime pilot (1 episode, 2022)
Self - NASA Administrator, 2009-2017, Major General, USMC (Ret.) (1 episode, 2022)
Self - Scaffolder (1 episode, 2022)
Self - Historian (1 episode, 2022)
Self - Maritime Expert (1 episode, 2022)
Self (1 episode, 2023)
Narrator (1 episode, 2023)
(1 episode, 2023)
Self - Production Manager, Bombardier Transportation (1 episode, 2023)
Correspondent / Self (1 episode, 2023)
Self - soil scientist (1 episode, 2023)
Self - Chief Engineer, Bombardier Transportation (1 episode, 2023)
Self - professor (1 episode, 2023)
Self - engineer (1 episode, 2023)
Self - Construction Manager, Railway Systems (1 episode, 2023)
Self - Crossrail Program Director (1 episode, 2023)
Self - Site Manager Farringdon Station (1 episode, 2023)
Self - Head of Music, Barbican Centre (1 episode, 2023)
Self - rancher (1 episode, 2023)
Self - Systems Integration Manager (1 episode, 2023)
Self - Crossrail CEO (1 episode, 2023)
Self - Project Construction Manager Tottenham Court Road Station (1 episode, 2023)
Self - Head of System Integration (1 episode, 2023)
Self - chef (1 episode, 2023)
Self - scientist (1 episode, 2023)
Self - Project Manager, Tottenham Court Road Station (1 episode, 2023)
Self - meteorologist (1 episode, 2023)
Self - Prop Cutter, Tottenham Court Road Station (1 episode, 2023)
Self - Integration Manager (1 episode, 2023)
Self - Project Manager, Farringdon Station (1 episode, 2023)
Self - Lead Platform Screen Door Engineer (1 episode, 2023)
Self - Site Manager, Whitechapel Station (1 episode, 2023)
Self - activist (1 episode, 2023)
Self - entrepeneur (1 episode, 2023)
Self - Train Driver (1 episode, 2023)
Self (1 episode, 2024)
Self (Park Archaelogist) (1 episode, 2024)
Self - Evolutionary Biologist (1 episode, 2024)
(1 episode, 2024)
Self - Paleogeneticist (1 episode, 2024)
Self - Postdoctroal Fellow (1 episode, 2024)
Self - Astronomer, Africa Initiative for Planetary and Space Sciences (1 episode, 2024)
Self - American Museum of Natural History (1 episode, 2024)
Self - Paleontologist (1 episode, 2024)
Self - Biologist (1 episode, 2024)
Self (1 episode)
High School Student (uncredited) (1 episode, 1976)
Self (uncredited) (1 episode, 1993)
Self (uncredited) (1 episode, 1995)
Self - Laboratory NCOIC (uncredited) (1 episode, 2004)
Darwin's Dog (uncredited) (1 episode, 2009)
Pianist (uncredited) (1 episode, 2009)
Society Member (uncredited) (1 episode, 2009)
Self (uncredited) (1 episode, 2011)