Acting

—

(1 episode) as Grimy / Ace (voice)

2023

(1 episode)

2022

(2 episodes) as Self

2021		Teenage Euthanasia (1 episode)
2021		Girls5eva (1 episode) as Alf Musik

2018		Explained (1 episode) as Self (archive footage)
2018		Citizen Rose (1 episode) as Self

2015		The Late Show with Stephen Colbert (1505 episodes) as Self - Host
2015		StarTalk with Neil deGrasse Tyson (1 episode) as Self

2014		Madam Secretary (1 episode) as Stephen Colbert
2014		BoJack Horseman (2 episodes) as Mr. Witherspoon (voice)
2014		Last Week Tonight with John Oliver (1 episode) as Self
2014		Late Night with Seth Meyers (1 episode) as Self - Guest
2014		The Tonight Show Starring Jimmy Fallon (1 episode)

2013

(1 episode) as Zeep Xanflorp (Voice)

2012		The Mindy Project (1 episode) as Father Michael
2012		Comedians in Cars Getting Coffee (1 episode) as Self
2012		Inside Comedy (1 episode) as Himself

2011

(1 episode) as Self

2010

(1 episode) as Self

2009		Watch What Happens Live with Andy Cohen (3 episodes) as Self - Guest
2009		RuPaul's Drag Race (1 episode) as Self - Special Guest

2005		The Colbert Report (1447 episodes) as Self - Host
2005		The Office (1 episode) as Broccoli Rob
2005		American Dad! (1 episode) as Dr. Dandliker - Dentist (voice)

2004

(2 episodes) as Professor Impossible (voice)

2003		The Wrong Coast (13 episodes)
2003		MythBusters (1 episode) as Self

2002

(1 episode)

2001

(1 episode) as James Bennett

2000		Harvey Birdman, Attorney at Law (1 episode) as FBI (voice; uncredited) (1 episode) as Fed #2 (voice) (1 episode) as Pirate (voice) (1 episode) as Civilian #1 / Juror (voice) (39 episodes) as Phil Ken Sebben / Myron Reducto (voice)
2000		Curb Your Enthusiasm (1 episode) as Tourist Man

1999		Random Play (6 episodes)
1999		Strangers with Candy (30 episodes) as Chuck Noblet

1998

(2 episodes) as Himself

1996		The Ambiguously Gay Duo (12 episodes) as Ace/Dr. Brainio (voice)
1996		Spin City (1 episode) as Frank
1996		The Daily Show (1 episode) as Guest co-host (6 episodes) as Self
1996		The Dana Carvey Show (9 episodes)

1995

(12 episodes)

1993

(3 episodes) as Self - Guest

1989

(1 episode) as Colby Krause (Voice)

1975

(3 episodes) as Self - Cameo (uncredited)

1956

(1 episode) as Self - Performer

1947

(1 episode)

Production

2024

(54 episodes) … Executive Producer

2022		Stephen Colbert Presents Tooning Out the News (23 episodes) … Executive Producer
2022		Fairview (8 episodes) … Executive Producer

2021

(12 episodes) … Executive Producer

2020

(7 episodes) … Executive Producer

2018

(18 episodes) … Executive Producer

2005

(1407 episodes) … Executive Producer

1999

(30 episodes) … Producer

1996

(1 episode) … Executive Producer

Creator

2020

… Creator

2018

… Creator

2015

… Creator

2005

… Creator

1999

… Creator

1995

… Creator

Writing

2018

(1 episode) … Story

2005

(5 episodes) … Writer

1999

(1 episode) … Writer

1996

(2544 episodes) … Writer