Self - Author, Red Star in Orbit / Self - Author, Star-Crossed Orbits (4 episodes, 2015-2016)
Self - Phd., Author, Challenge to Apollo / Self - Phd., Professor, Dept. of History - Fordham University (4 episodes, 2015-2016)
Pavel Vinogradov / Vladimir Shatalov (4 episodes, 2015)
Karen Nyberg (3 episodes, 2015)
Aleksandr Lazutkin / Alexey Leonov (3 episodes, 2015)
Vasily Tsiblev / Vasily Tsibliev (2 episodes, 2015)
Self - General, Astronaut / Commander, Apollo-Soyuz / Commander, Gemini 9A (2 episodes, 2015)
Self - Co-Author, We Have Capture (2 episodes, 2015)
Self - Astronaut / Mission Specialist, STS - 41D / Mission Specialist, STS-27 (2 episodes, 2015)
Self - Astronaut / Mission Payload Commander, STS-68 / Mission Specialist, STS-98 (2 episodes, 2015)
Self - Phd., Curator, International Space Programs - Smithsonian Institution / Self - Phd., National Air and Space Museum, Smithsonian Institution (2 episodes, 2015)
Mission Control Center / Mission Control Russians (2 episodes, 2015)
Dr. David Wolf (1 episode, 2015)
Judy Resnick (1 episode, 2015)
Mike Foale (1 episode, 2015)
Jerry Ross (1 episode, 2015)
Boris Volynov (1 episode, 2015)
Charles Walker (2015) (1 episode, 2015)
Self - Journalist (1 episode, 2015)
Narrator (1 episode, 2015)
Engineer (1 episode, 2015)
Self - Image Analyst (1 episode, 2015)
William Sheppard (1 episode, 2015)
Anatoly Solovyev (1 episode, 2015)
Vance D. Brand (1 episode, 2015)
Valery Korzun (1 episode, 2015)
Pat Forrester (1 episode, 2015)
Self - Military Historian (1 episode, 2015)
Chris Cassidy (1 episode, 2015)
Self - Astronaut, Italy (1 episode, 2015)
Reinhold Ewald (1 episode, 2015)
Astronaut / Mission Specialist, STS-27 (1 episode, 2015)
Sasha Lazutkin (1 episode, 2015)
Commander, Apollo-Soyuz / Self - Cosmonaut (1 episode, 2015)
Russian Officer (1 episode, 2015)
Heat Tile Specialist (1 episode, 2015)
Self - NASA Administrator (1 episode, 2015)
Mission Specialist, STS-98 / Self - Astronaut (1 episode, 2015)
Self - Cosmonaut, Soyuz 11 (1 episode, 2015)
Aleksandr Kaleri (1 episode, 2015)
Self - Satellite Image Analyst, Digital Globe (1 episode, 2015)
Russian cosmonaut (1 episode, 2015)
Commander Soyuz T-10A / Self - Cosmonaut (1 episode, 2015)
Self - Lead EVA Officer, STS-98 (1 episode, 2015)
Self - Launch Flight Director, STS-68 (1 episode, 2015)
Self - Phd., National Air and Space Museum, Smithsonian Institution (1 episode, 2015)
Jerry Linenger (1 episode, 2015)
Commander, Soyuz 5 / Self - Cosmonaut (1 episode, 2015)
Commander ISS-36 / Self - Cosmonaut (1 episode, 2015)
Self - Retired Engineer (1 episode, 2015)
Self - Re-Entry Spacecraft Commander STS-27 (1 episode, 2015)
Self - Lead Flight Director STS-98 (1 episode, 2015)
Commander, Soyuz 4 / Self - Cosmonaut (2 episodes, 2015)
Self - Adm., Columbia Accident Investigation (1 episode, 2015)
Commander ISS-37 / Self - Cosmonaut (1 episode, 2015)
Vladimir Komarov (1 episode, 2016)
Mission Specialist, STS-120 / Self - Astronaut (1 episode, 2016)
Pilot, STS-120 / Self - Astronaut (1 episode, 2016)
12 / Self - Astronaut, Soyuz TMA -11 (1 episode, 2016)
Commander TMA-11 / Cosmonaut (1 episode, 2016)
Commander STS-120 / Self - Astronaut (1 episode, 2016)