Self - Host / Self / Voice of Tek Jansen and The Brazilian (segment "Tek Jansen") (1,343 episodes, 2005-2014)
Jay the Intern / Daniel / Self (15 episodes, 2005-2014)
Self / Self - Guest (20 episodes, 2005-2014)
Tad / Dougie St. James / Pavlos (6 episodes, 2005-2014)
Self / Self - Caplin & Drysdale / Self - Caplin & Drysdale Attorneys / Self - Guest (12 episodes, 2011-2014)
Self / Self - Guest (12 episodes, 2006-2014)
Self / Self - Guest / Self - Director, Hayden Planetarium (10 episodes, 2005-2014)
P.K. Winsome / P. K. Winsome / PK Winsome (5 episodes, 2006-2014)
Self / Self - Guest (9 episodes, 2006-2014)
Self / Self - Guest / Self - Author, The Jesuit Guide to (Almost) Everything (9 episodes, 2007-2014)
Self / Self - Guest / Self - Legal Editor, Slate (8 episodes, 2012-2014)
Hans Beinholt / Hans Beinholtz (8 episodes, 2010-2014)
Self - Guest / Self (6 episodes, 2006-2014)
Jimmy / Narrator (segment "Tek Jansen") / Self (5 episodes, 2006-2011)
Self - Guest / Self / Self - Announcer (6 episodes, 2005-2014)
Self / Self - Guest (6 episodes, 2005-2014)
Self - Guest (5 episodes, 2006-2014)
Self / Self - Guest / The Huffington Post (5 episodes, 2006-2014)
Self / Self - Guest (5 episodes, 2006-2014)
Self / Self - Guest (6 episodes, 2006-2013)
Self - Guest / Self (5 episodes, 2006-2014)
Self - Guest / Self (6 episodes, 2006-2013)
Self - Guest / Self / Self - Sex-Advice Columnist (6 episodes, 2006-2013)
Self / Self - Guest / Self - Economics writer, The New York Times / Self - The New York Times (6 episodes, 2007-2013)
Self / Self - Guest (5 episodes, 2008-2014)
Self / Self - Guest (6 episodes, 2007-2012)
Gay Husband / McGnaw, The Gluten-Free Beaver / Moses / Self / Time Traveling Brandy Theif / Time Traveling Brandy Thief (6 episodes, 2008-2014)
Self - Guest (6 episodes, 2009-2014)
Self - Guest / Ad Narrator (5 episodes, 2011-2014)
Self - Guest / Self / Global Affairs Anchor, ABC News & CNN International Host (4 episodes, 2006-2014)
Self - Guest / Abraxxia (segment "Tek Jansen") / Klanswoman (4 episodes, 2006-2014)
Self - Guest / Self (5 episodes, 2006-2013)
Self / Self - Guest (4 episodes, 2006-2014)
Self / Self - Guest (5 episodes, 2007-2012)
Self - Guest / Self (5 episodes, 2009-2012)
Self / Self - Guest (4 episodes, 2005-2014)
Benjamin Franklin (5 episodes, 2006-2008)
Meg the Intern (5 episodes, 2006-2008)
Self / Charlie Skinner / Poncho Denews / Self - Guest (4 episodes, 2007-2014)
Self / Self - Guest (4 episodes, 2007-2014)
Self / Self - Guest (5 episodes, 2008-2013)
Self (4 episodes, 2006-2009)
Self / Musical Guest / Self - Guest (4 episodes, 2011-2012)
Self / Self - Author, 'The Big Short' / Self - Guest (4 episodes, 2006-2014)
Self - Guest / Self - Pom Wonderful Presents: The Greatest Movie Ever Sold (4 episodes, 2006-2011)
Self / Self - Guest (3 episodes, 2008-2014)
Self - Guest / Self (3 episodes, 2006-2014)
Self / Self - Guest (4 episodes, 2006-2012)
Self / Self - Guest (4 episodes, 2006-2010)
Self / Self - Author, 'Liberty Defined' / Self - Texas (R) (4 episodes, 2007-2011)
Self / Self - Guest (4 episodes, 2008-2012)
Self / Self - Guest (4 episodes, 2005-2013)
Self (4 episodes, 2005-2012)
Self / Self - Guest (4 episodes, 2006-2011)
Self / Self - Guest (4 episodes, 2007-2013)
Self - Guest / Frank Jameso (3 episodes, 2011-2014)
Self / Self - Guest (3 episodes, 2007-2014)
Self / Self - Guest (3 episodes, 2005-2014)
Self / Self - Guest / Self - Theoretical Physicist, Columbia University (4 episodes, 2005-2014)
Self - Guest / Self (3 episodes, 2007-2014)
Self - Guest (4 episodes, 2007-2011)
Self - Guest / Self (4 episodes, 2007-2014)
Self - Guest (4 episodes, 2009-2013)
Self - Guest (4 episodes, 2010-2014)
Self - Musical Guest / Self / Self - Guest (3 episodes, 2010-2014)
Miss Colbert / Veronica (4 episodes, 2010-2013)
Self - Guest (3 episodes, 2012-2014)
Self - Guest (4 episodes, 2012-2014)
Self - Guest (3 episodes, 2013-2014)
Buddy Cole (4 episodes, 2014)
Self / Self - Guest (3 episodes, 2006-2011)
Self (3 episodes, 2011)
Self (3 episodes, 2006-2009)
Self / Self - National Review (3 episodes, 2008-2011)
Self (3 episodes, 2006-2014)
Self / Self - Founder, AslanMedia.com / Self - Guest (3 episodes, 2006-2011)
Self / Self - Author, 'The Social Animal' / Self - Guest (3 episodes, 2006-2011)
Self / Self - Senior Political Correspondent, CBS News (3 episodes, 2006-2011)
Self / Self - Guest (3 episodes, 2005-2010)
Self / Self - Guest (2 episodes, 2006-2014)
Self / Self - Guest (3 episodes, 2006-2013)
Self - Guest / Self (3 episodes, 2006-2012)
Self (3 episodes, 2006-2008)
Self - Guest / House Democratic Leader / Self (3 episodes, 2007-2014)
Self (3 episodes, 2008-2014)
Self / Self - Guest (3 episodes, 2008-2012)
Self / Self - Guest (3 episodes, 2008-2011)
Self / Self - Author, 'Rock the Casbah' (3 episodes, 2008-2011)
Self / Self - Council on Foreign Relations / Self - Guest (3 episodes, 2009-2013)
Self - Guest / Frank Underwood (3 episodes, 2011-2014)
Self (4 episodes, 2011-2013)
Self (3 episodes, 2005-2011)
Self (3 episodes, 2006-2013)
Self - Guest / Co-founder, Twitter / Self (3 episodes, 2009-2014)
Self - Guest (3 episodes, 2009-2011)
Self - Guest / Co-Author, The Rich and the Rest of Us / Self (3 episodes, 2008-2012)
Self / Self - Guest / Self - Scientist: Pollinator Partnership (3 episodes, 2008-2011)
Self (5 episodes, 2005-2008)
Self / Self - Guest (3 episodes, 2006-2014)
Self (3 episodes, 2006-2010)
Self (3 episodes, 2006-2007)
Self (4 episodes, 2007-2008)
Self (5 episodes, 2007-2014)
Self / Self - Guest (7 episodes, 2007-2014)
Self - Guest / Self - Vermont Senator (3 episodes, 2008-2014)
Self - Guest / Self (3 episodes, 2008-2014)
Self / Self - Guest (3 episodes, 2008-2013)
Self - Guest / Self (3 episodes, 2008-2012)
Self - Guest (3 episodes, 2008-2010)
Self - Guest / Self (3 episodes, 2008-2010)
Self / Self - Guest (3 episodes, 2008-2010)
Self (3 episodes, 2008)
Self - Guest (3 episodes, 2009-2013)
Self - Guest / Self - Musical Guest (3 episodes, 2009-2012)
Self - Guest / 350.org / Self (3 episodes, 2009-2012)
Self - Guest (3 episodes, 2011-2013)
Self - Guest / Self (1 episode, 2012-2014)
Self (3 episodes, 2012-2013)
Self - Guest / Self (3 episodes, 2012-2013)
Self (3 episodes, 2012)
Self - Guest / Chuck Dupree (2 episodes, 2014)
Open Zion, The Daily Beast / Self / Self - Guest (2 episodes, 2006-2012)
Self / Self - Guest (2 episodes, 2006-2011)
Self (2 episodes, 2006-2009)
Self / Self - President, Council on Foreign Relations (2 episodes, 2008-2011)
Self - Guest (2 episodes, 2009-2011)
Harvard University / Self - Author, 'Justice: What's the Right Thing to Do?' / Self - Guest (2 episodes, 2011-2012)
Self (2 episodes, 2011)
Author, 'A Singular Woman' / Self - Guest (2 episodes, 2011)
Self (2 episodes, 2006)
Self - Guest (1 episode, 2005-2014)
Self / Self - Guest (3 episodes, 2005-2011)
Self (2 episodes, 2005-2008)
Self - Guest (2 episodes, 2005-2006)
Self (2 episodes, 2005-2006)
Self / Self - Guest (1 episode, 2006-2014)
Self - Guest (1 episode, 2006-2014)
Self (2 episodes, 2006-2014)
Self (2 episodes, 2006-2013)
Self / Self - Guest (2 episodes, 2006-2009)
Self (2 episodes, 2006-2008)
Self / Self - Author, 'The Believing Brain' (2 episodes, 2007-2011)
Self / Self - China Correspondent, The New Yorker (2 episodes, 2007-2011)
Fmr. Vice Chairman, General Motors / Self / Self - Guest (2 episodes, 2008-2012)
Self / Self - Guest (2 episodes, 2008-2011)
Glenn / Self (2 episodes, 2008-2011)
Self / Self - Pres., Harlem Children's Zone (2 episodes, 2008-2011)
Self / Self - President, Americans for Tax Reform (2 episodes, 2008-2011)
Self / Self - Guest (2 episodes, 2008-2010)
Self / Self - Guest (2 episodes, 2008-2009)
Self (2 episodes, 2008)
Self / Self - Guest (2 episodes, 2009-2013)
National Geographic Explorer-in-Residence / Self / Self - Guest (2 episodes, 2009-2012)
Themselves / Themselves - Musical Guest (2 episodes, 2009-2012)
Self - Guest / Author, Imagine (2 episodes, 2009-2012)
Self - Guest / Editor, New American Haggadah (2 episodes, 2010-2012)
Self / Self - Guest (2 episodes, 2010-2011)
Self - Chairman, Council of Economic Advisors / Self - Guest (2 episodes, 2010-2011)
Self - Author, 'The Looming Tower' / Self - Guest (2 episodes, 2011-2013)
Self / Self - Guest (2 episodes, 2011-2013)
Self - Author, The Good Book: A Humanist Bible / Self - Guest (2 episodes, 2011-2013)
Self - ABC5 WOI-DT Des Moines News Anchor (2 episodes, 2011-2012)
Self - Guest (2 episodes, 2012-2014)
Self - Grimm Colberty Tales / Self - Guest (2 episodes, 2012-2013)
Self - Guest (2 episodes, 2012)
Self - Guest (2 episodes, 2014)
Self / Self - Guest (2 episodes, 2005-2011)
Self / Self - Guest (2 episodes, 2005-2009)
Self (2 episodes, 2006-2011)
Self / Self - Author, 'My Father at 100' (2 episodes, 2006-2014)
Self / Self - Former Governor of New Jersey (2 episodes, 2006-2011)
Self - Guest (3 episodes, 2006-2007)
Self (2 episodes, 2006-2007)
Self - Guest (2 episodes, 2007-2011)
Self - Guest / Theoretical Physicist (2 episodes, 2010-2013)
Self / Self - Really Famous Artist, Collaborator (2 episodes, 2010-2011)
Self / Self - Presidential Candidate (2 episodes, 2011)
Self / Self - Guest (2 episodes, 2006-2010)
Self (2 episodes, 2007-2011)
Self - Guest (2 episodes, 2011-2013)
Self - ABC5 WOI-DT Des Moines Sports Director (2 episodes, 2011-2012)
Self - ABC5 WOI-DT Des Moines Chief Meteorologist (2 episodes, 2011-2012)
Self / Self - Guest (1 episode, 2005-2014)
Self (2 episodes, 2005-2007)
Self - Guest (2 episodes, 2006-2013)
Self / Self - Musical Guest (2 episodes, 2006-2009)
Self - Guest (2 episodes, 2007-2014)
Self - Guest (1 episode, 2007-2014)
Self - Guest (3 episodes, 2007-2014)
Self (2 episodes, 2007-2014)
Self / Self - Host (2 episodes, 2007-2013)
Self / Self - Guest (2 episodes, 2007-2013)
Self (2 episodes, 2007-2013)
Self / Self - Guest (2 episodes, 2007-2012)
Self - Guest (2 episodes, 2007-2012)
Self / Self - Guest (4 episodes, 2007-2011)
Self (2 episodes, 2007-2010)
Self / Self - Guest (2 episodes, 2007-2010)
Self (2 episodes, 2007-2009)
Self / Self - Guest (2 episodes, 2007-2009)
Self - Guest (2 episodes, 2007-2008)
Self (2 episodes, 2007-2008)
Self - Guest (2 episodes, 2007)
Self (2 episodes, 2007)
Self / Self - Guest (2 episodes, 2007)
Self (3 episodes, 2007)
Self - Guest (7 episodes, 2007-2014)
Cookie Monster (1 episode, 2008-2014)
Self / Self - Guest (2 episodes, 2008-2014)
Guy in audience / Self (1 episode, 2008-2014)
Self (2 episodes, 2008-2014)
Self / Self - Guest (2 episodes, 2008-2013)
Self - Guest (2 episodes, 2008-2012)
Self (2 episodes, 2008-2012)
Self / Self - Guest (2 episodes, 2008-2012)
Self (2 episodes, 2008-2011)
Self (2 episodes, 2008-2010)
Justin (2 episodes, 2008-2009)
Self - Guest (2 episodes, 2008)
Maverick Bully / Teen Voter (2 episodes, 2008)
Self - Guest (5 episodes, 2007-2014)
Self - Guest (2 episodes, 2009-2014)
Self - Guest (2 episodes, 2009-2012)
Self / Self - Guest (2 episodes, 2009-2012)
Body Double / Julian (2 episodes, 2009-2010)
Self (2 episodes, 2009-2010)
Homer / Omar / Secret Prisoner (2 episodes, 2009)
Self (2 episodes, 2009)
Self - Guest (2 episodes, 2010-2014)
Self - Guest / Host of 'Carell Corral' (5 episodes, 2010-2014)
Self - Guest (2 episodes, 2010-2013)
Self / Self - Guest (2 episodes, 2010-2013)
Self - Guest (2 episodes, 2010-2012)
Self / Self - Guest (2 episodes, 2010-2012)
Self / Self - Musical Guest (2 episodes, 2010-2012)
Self - Guest (2 episodes, 2010-2011)
Bing Bongavax / Chief (1 episode, 2010-2011)
Cub Scout (2 episodes, 2010)
Self (2 episodes, 2010)
Self - Guest (1 episode, 2011-2014)
Themselves (2 episodes, 2011-2013)
Self / Self - The Black Keys (1 episode, 2011-2013)
Ad Narrator / Self - Guest (1 episode, 2011-2012)
Self - Guest (3 episodes, 2007-2012)
Self / Self - Guest (2 episodes, 2011-2012)
Self (2 episodes, 2011-2012)
Self - Guest / Self - Guest and Musical Guest (2 episodes, 2011)
Self - Guest (1 episode, 2012-2014)
Self (2 episodes, 2012-2014)
Self - Guest / Self - Musical Guest (2 episodes, 2012-2014)
Self - Guest / Self - Musical Guest (2 episodes, 2012-2013)
Self - Guest (2 episodes, 2012-2013)
Self / Self - Guest (2 episodes, 2012-2013)
Self / Self - Guest (2 episodes, 2012)
Big Bird / Oscar the Grouch (1 episode, 2013-2014)
Self / Self - Guest (2 episodes, 2013-2014)
Self - Guest (2 episodes, 2013)
Hyundai Executive (2 episodes, 2013)
Themselves - Musical Guest (2 episodes, 2013)
Self / Self - Guest (2 episodes, 2013)
Self (2 episodes, 2013)
Self / Self - Guest (2 episodes, 2014)
Self / Self - Guest (1 episode, 2014)
Self - Guest (1 episode, 2014)
Themselves / Themselves - Guest (1 episode, 2014)
Self (1 episode, 2005)
Self - Guest (1 episode, 2006)
Self (1 episode, 2006)
Self - President, Catholic League (1 episode, 2006)
Self (1 episode, 2008)
Themselves (1 episode, 2008)
Self - Guest (1 episode, 2009)
Self (1 episode, 2009)
Self - Host (1 episode, 2009)
Themselves (1 episode, 2009)
Self - 'Cave of Forgotten Dreams' (1 episode, 2011)
Self - Guest (1 episode, 2011)
Self - Author, 'The Big Fight' (1 episode, 2011)
Self (1 episode, 2011)
Self - Co-Author, 'Public Enemies' (1 episode, 2011)
Self - Filmmaker, Ai Weiwei: Never Sorry (1 episode, 2011)
Self - Guest and Musical Guest (1 episode, 2011)
Self - Author, 'Priceless' (1 episode, 2011)
Self - Contributing Writer, Salon (1 episode, 2011)
Self - New York Jets Head Coach (1 episode, 2011)
Self - CEO: Zappos.com (1 episode, 2011)
Self - Author, 'Popular Crime' (1 episode, 2011)
Self - Author, 'Moonwalking with Einstein' (1 episode, 2011)
Self - Anti-Feminist Lawyer (1 episode, 2011)
Self - Author, 'The Fiery Trial' (1 episode, 2011)
Self - Space Historian (1 episode, 2011)
Self - U.S. Ambassador to the United Nations (1 episode, 2011)
Self - Author: 'Osama Bin Laden' (1 episode, 2011)
Self - Baylor College of Medicine (1 episode, 2011)
Self - Political Analyst, ABC (1 episode, 2011)
Self - Chairwoman, Tea Party Express (1 episode, 2011)
Self - Khan Academy (1 episode, 2011)
Self - Better Know a District (1 episode, 2011)
Self - Georgetown Law School (1 episode, 2011)
Self - ProgressivesUnited.org (1 episode, 2011)
Self - Child Psychiatrist (1 episode, 2011)
Self - Independent Journalist (1 episode, 2011)
Self - Harvard University (1 episode, 2011)
Self - Natural Resources Defense Council (1 episode, 2011)
Self - Walmart (1 episode, 2011)
Self - The Wall Street Journal (1 episode, 2011)
Self - Author, 'God Is Not One' (1 episode, 2011)
Self - Former Governor of Minnesota (1 episode, 2011)
Self - Former Director, Dept. Homeland Security (1 episode, 2011)
Self - Washington Monthly (1 episode, 2011)
Self - Unicyclist (1 episode, 2011)
Self - Author, Reality Is Broken (1 episode, 2011)
Self - Author, 'A First-Rate Madness' (1 episode, 2011)
Self - Author, 'Fraser's Penguins' (1 episode, 2011)
Self - Center for Competitive Politics (1 episode, 2011)
Musical Guest / Self - Guest (1 episode, 2012)
Kermit the Frog (1 episode, 2012)
Self - Guest (1 episode, 2012)
Self (1 episode, 2012)
Director, Alan Lomax Institute / Self - Guest (1 episode, 2012)
Author, The World America Made / Self - Guest (1 episode, 2012)
Author, The Forever War / Self - Guest (1 episode, 2012)
Former Governor of New Mexico / Self - Guest (1 episode, 2012)
Co-Author, We're Losing Our Mings / Self - Guest (1 episode, 2012)
Self - Founding Partner, Again Capital (1 episode, 2012)
Author, Coming Apart / Self - Guest (1 episode, 2012)
CeaseFire Violence Interrupter / Self - Guest (1 episode, 2012)
Film, The Revisionaries / Self - Guest (1 episode, 2012)
Self - Guest / The New York Times (1 episode, 2012)
Director, Whitehead Institute / Self - Guest (1 episode, 2012)
Self - Author, 'Automate This' (1 episode, 2012)
Self - Democratic Political Strategist (1 episode, 2012)
Self - Minuteman Project (1 episode, 2012)
Self - Homeowner (1 episode, 2012)
Battlegroundtexas.com / Self (1 episode, 2013)
Self (1 episode, 2014)
Jenny (1 episode, 2006)
Self - Investigative Science Writer (1 episode, 2008)
Self - Florence + The Machine (1 episode, 2011)
Self - Musical Guest (1 episode, 2011)
Self - Author, 'The Greater Journey' (1 episode, 2011)
Themselves - Musical Guest (1 episode, 2011)
Self - Executive Washington Editor, Bloomberg News (1 episode, 2011)
Self - Futurist (1 episode, 2011)
Self - Author, 'Tangled Webs' (1 episode, 2011)
Self - Author, 'Facts Are Subversive' (1 episode, 2011)
Self - Navy SEAL and Author (1 episode, 2011)
Self - Author, 'American Eden' (1 episode, 2011)
Self - Co-Host of 'On the Media' (1 episode, 2011)
Self - AmericansElect.org (1 episode, 2011)
Self - Retired New York Supreme Court Justice (1 episode, 2011)
Self - Mayor, Rancho Palod Verdes (1 episode, 2011)
Self - The Enemy Within (1 episode, 2011)
Self - @MayorEmanuel (1 episode, 2011)
Self - Mark's Mother (1 episode, 2011)
Self - Guest: Nobel Peace Laureate (1 episode, 2011)
Self - Author, 'Dog Sense' (1 episode, 2011)
Self - Founder, ICorrect.com (1 episode, 2011)
Self - Author, 'The Origins of Political Order' (1 episode, 2011)
Self - Former Chief Technology Officer, Microsoft (1 episode, 2011)
Self - Lawyer (1 episode, 2011)
Self - Center for Responsive Politics (1 episode, 2011)
Self - MakerBot Industries (1 episode, 2011)
Self - Norwegian Chess Grand Master (1 episode, 2012)
Governor of South Carolina (R) / Self - Guest (1 episode, 2012)
Author, Behind the Beautiful Forevers / Self - Guest (1 episode, 2012)
Self - American Meat Institute (1 episode, 2012)
Economic Policy Institute / Self - Guest (1 episode, 2012)
Self - Neighbor (1 episode, 2012)
Kevin (1 episode, 2006)
Muslim guy 2010 (1 episode, 2010)
Self - 'Eating with Cannibals' (1 episode, 2011)
Self - Co-Founder, Enough Project (1 episode, 2011)
Themselves - Musical Guests (1 episode, 2011)
Self - Author, 'A Strange Stirring' (1 episode, 2011)
Self - Artist (1 episode, 2011)
Self - Difference Maker (1 episode, 2011)
Self - Forensic Scientist (1 episode, 2012)
(1 episode, 2006)
Self - Correspondent, Al Jazeera English (1 episode, 2011)
Self - Humans and Automation Lab, MIT (1 episode, 2011)
Self - Author, 'Fat Shame' (1 episode, 2011)
Co-Author, The Rich and the Rest of Us / Self - Guest (1 episode, 2012)
Self - Ballistics Expert (1 episode, 2012)
Self - Author, 'Ghost in the Wires' (1 episode, 2011)
Self - Mr. Manatee owner (1 episode, 2012)
Self - Graphologist (1 episode, 2012)
Author, The Wolf Gift / Self - Guest (1 episode, 2012)
Self - Guest (1 episode, 2005)
(1 episode, 2005)
Self Gambler (1 episode, 2005)
Admiral Allendorfer (1 episode, 2006)
Juliax (1 episode, 2006)
Burnout (1 episode, 2006)
First High Five (1 episode, 2006)
Sexy Chica (1 episode, 2006)
Sexy Chica model / dancer (1 episode, 2006)
Self - Guest (1 episode, 2007)
Self (1 episode, 2007)
Self (2 episodes, 2007-2012)
Self (1 episode, 2007-2014)
Blue Boy (1 episode, 2007)
Self - House Armed Services Committee (1 episode, 2007)
Tek's girlfriend (1 episode, 2007)
Self - Guest (1 episode, 2008)
Maverick Bully (1 episode, 2008)
Wife (1 episode, 2008)
Preacher's Daughter (1 episode, 2008)
Bad Boy (1 episode, 2008)
Husband (1 episode, 2008)
Starbucks Guy #1 (1 episode, 2008)
Audience Member (1 episode, 2008)
Self - President, Family Research Council (1 episode, 2008)
Cheerleader (1 episode, 2008)
Mayo Hipster (1 episode, 2009)
Themselves - Musical Guest (1 episode, 2009)
Self - Musical Guest (1 episode, 2009)
Kevin (1 episode, 2009)
Self - Author, Let's Talk About Love: Why Other People Have Such Bad Taste (1 episode, 2009)
Self - Arabic Interpreter, 111th Military Intelligence Brigade (1 episode, 2009)
Self - Guest (as William Gerstenmaier) (1 episode, 2009)
Self - Squad Leader, 463rd Military Police Co. (1 episode, 2009)
Self - Guest (1 episode, 2010)
Father Guido Sarducci (1 episode, 2010)
Xin Zhou (1 episode, 2010)
Self (1 episode, 2010)
Themselves - Guest (1 episode, 2010)
Musical Guest / Self - Guest (1 episode, 2010)
Gay Grim (1 episode, 2010)
Themselves - Musical Guest (1 episode, 2010)
Immigrant Farm Worker (1 episode, 2010)
Self - Interviewee (1 episode, 2010)
Self - Musical Guest (1 episode, 2010)
Self Guest (1 episode, 2010)
Arresting Officer (1 episode, 2010)
Cheerleader Girlfriend (1 episode, 2010)
Self - Author, 'The Value of Nothing' (1 episode, 2010)
Self - Author of Chastened (1 episode, 2010)
Self - Co-Author 'Higher Education' (1 episode, 2010)
Self - Contestant (1 episode, 2010)
(1 episode, 2010)
Self - Gorillaz (1 episode, 2010)
The Enemy Within Daughter (1 episode, 2011)
Self - Vampire Weekend (1 episode, 2011)
Self - The Alien Hunter (1 episode, 2011)
Oprah (1 episode, 2011)
The Enemy Within Baby (1 episode, 2011)
Self - M.I.T. Professor: Author, 'Alone Together' (1 episode, 2011)
The Enemy Within Son (1 episode, 2011)
Self - Author, 'Battle Hymn of the Tiger Mother' (1 episode, 2011)
Self - Author, 'My Fellow Americans' (1 episode, 2011)
Self - Professor Emeritus, Cornell University (1 episode, 2011)
Self - Lynx (1 episode, 2011)
Self - Domestic Workers United (1 episode, 2011)
Self - Founder of Caboodle Ranch (1 episode, 2011)
Self - Author, 'Deadly Choices' (1 episode, 2011)
Self - Center for Contemporary Arab Studies, Georgetown University (1 episode, 2011)
Robert Crawley, Earl of Grantham (1 episode, 2012)
Mr. Carson (1 episode, 2012)
Thomas Barrow (1 episode, 2012)
Spider (1 episode, 2012)
Themselves - Musical Guest (1 episode, 2012)
Self - Musical Guest (1 episode, 2012)
Spanish voter (1 episode, 2012)
Themselves (1 episode, 2012)
Youth #2 (1 episode, 2012)
Self - Consumer Product Safety Commission (1 episode, 2012)
King Peggy / Self - Guest (1 episode, 2012)
Self - President, Brady Campaign to Prevent Gun Violence (1 episode, 2012)
Self - SawStop Inventor (1 episode, 2012)
Self - Guest (1 episode, 2013)
Self (1 episode, 2013)
Self - Musical Guest (1 episode, 2013)
Themselves - Guests (1 episode, 2013)
Self - Guest (2 episodes, 2007-2013)
Themselves - Musical Guest (1 episode, 2013)
Themselves - Guest (1 episode, 2013)
Book Reviewer (1 episode, 2013)
Muppet Performer (1 episode, 2013)
Themselves (1 episode, 2013)
Hyundai Executive (1 episode, 2013)
Tammy the stripper (1 episode, 2013)
Self - Author, Mirror, Mirror Off the Wall: How I Learned to Love My Body by Not Looking at It foe a Year (1 episode, 2013)
Self - Historian (1 episode, 2013)
Smaug (1 episode, 2014)
Klansman (1 episode, 2014)
Thomas - The Sons Understudy (1 episode, 2014)
Mom (1 episode, 2014)
Self - Lake Street Dive (1 episode, 2014)
Themselves - Guest (1 episode, 2014)
South Dakota Governor Dennis Daugaard (1 episode, 2014)
Self - Musical Guest (1 episode, 2014)
Themselves (1 episode, 2014)
Bobby (uncredited) (31 episodes, 2005-2008)
Russ Lieber (uncredited) (7 episodes, 2005-2007)
Christina (uncredited) (3 episodes, 2005)
Alan (uncredited) (2 episodes, 2006)
Spencer (uncredited) (1 episode, 2005)
Dennis (uncredited) (1 episode, 2005)
Narrator - 'The On Notice Board: A Wonder of the Modern Age' (uncredited) (1 episode, 2006)
Jar Jar Binks (uncredited) (1 episode, 2006)
Log Cabin Republican (uncredited) (1 episode, 2006)
Battle Droid (uncredited) (1 episode, 2006)
Self (uncredited) (1 episode, 2006)
Colbert Cruise Announcer (uncredited) (1 episode, 2006)
Questioning Teen (uncredited) (1 episode, 2006)
Self (uncredited) (3 episodes, 2007)
Self (uncredited) (2 episodes, 2007)
Self (uncredited) (1 episode, 2007)
Billy Clanton (uncredited) (1 episode, 2009)
Danciple (uncredited) (1 episode, 2009)
Ike Clanton (uncredited) (1 episode, 2009)
Self (uncredited) (1 episode, 2010)
Spectator (uncredited) (1 episode, 2010)
Self (uncredited) (1 episode, 2011)
Robin Greenfield (uncredited) (1 episode, 2011)
Self (uncredited) (1 episode, 2013)
Self - Audience Member (uncredited) (1 episode, 2013)
Self - Guest (uncredited) (1 episode, 2014)
White House Tour Guide (uncredited) (1 episode, 2014)
Themselves - Guest (uncredited) (1 episode, 2014)
Self (uncredited) (1 episode, 2014)