Film & TV List | Role | Media |
 |
| The Penguins of Madagascar (2011) | Dale | TV Show |
|
| Afghan Luke (2011) | Lewis Black | Movie |
|
| Scooby-Doo! Mystery Incorporated (2010–2011) | Mr. E | TV Show |
|
| Robotomy (2010) | Gore-Ax (voice) | TV Show |
|
| Peep World (2010) | Narrator (voice) | Movie |
|
| The Big Bang Theory (2009) | Professor Crawley | TV Show |
|
| The Shield (2008) | Lawyer | TV Show |
|
| My Gym Partner's a Monkey (2007) | Ted | TV Show |
|
| Harvey Birdman, Attorney at Law (2005–2007) | The Deadly Duplicator | TV Show |
|
| Unaccompanied Minors (2006) | Oliver Porter | Movie |
|
| Man of the Year (2006) | Eddie Langston | Movie |
|
| Accepted (2006) | Ben Lewis | Movie |
|
| Falling for Grace (2006) | Rob York | Movie |
|
| Farce of the Penguins (2006) | Jimmy (voice) | Movie |
|
| The Happy Elf (2005) | Norbert (voice) | Direct to Video |
|
| Duck Dodgers (2005) | Manobrain | TV Show |
|
| Law & Order: Special Victims Unit (2004) | BJ Cameron | TV Show |
|
| Educating Lewis (2004) | Lewis Tanner | TV Movie |
|
| The Brak Show (2003) | Zorak | TV Show |
|
| Mad About You (1997) | The Pizza Slice | TV Show |
|
| Homicide: Life on the Street (1997) | Laslo 'Punchy' Deleon | TV Show |
|
| The Night We Never Met (1993) | Marty Holder | Movie |
|
| Joey Breaker (1993) | Pete Grimm | Movie |
|
| MTV, Give Me Back My Life: A Harvard Lampoon Parody (1991) | Various | TV Movie |
|
| Law & Order (1991) | Director Franklin Frome | TV Show |
|
| The Days and Nights of Molly Dodd (1990–1991) | Bernie | TV Show |
|
| The Hard Way (1991) | Banker | Movie |
|
| Jacob's Ladder (1990) | Jacob's Doctor | Movie |
|
| Hannah and Her Sisters (1986) | Paul | Movie |
|
Film & TV List | Role | Media |
|
| The Daily Show with Jon Stewart (1996–2012) | Himself - Commentator | TV Show |
|
| The Late Late Show with Craig Ferguson (2008–2011) | Himself
/
Himself - Guest | TV Show |
|
| Late Night with Jimmy Fallon (2009–2010) | Himself | TV Show |
|
| Just for Laughs (2009–2010) | Himself - Host | TV Show |
|
| Late Night with Conan O'Brien (1997–2008) | Himself | TV Show |
|
| Late Show with David Letterman (2008) | Guest | TV Show |
|
| The View (2004–2005) | Himself | TV Show |
|
| Last Call with Carson Daly (2004) | Himself | TV Show |
|
| Comedy Central Presents (1998–2002) | Himself | TV Show |
|