Film & TV List | Role | Media |
 |
| Glee (2012) | Hiram Berry | TV Show |
|
| Tim and Eric's Billion Dollar Movie (2012) | Chef Goldblum | Movie |
|
| Portlandia (2012) | Alan | TV Show |
|
| Allen Gregory (2011) | Perry Van Moon | TV Show |
|
| The League (2011) | Rupert Ruxin | TV Show |
|
| NTSF:SD:SUV (2011) | Gunnar Geirhart | TV Show |
|
| Morning Glory (2010) | Jerry Barnes | Movie |
|
| The Switch (2010) | Leonard | Movie |
|
| Law & Order: Criminal Intent (2009–2010) | Detective Zach Nichols | TV Show |
|
| Adam Resurrected (2008) | Adam Stein | Movie |
|
| Raines (2007) | Michael Raines | TV Show |
|
| Man of the Year (2006) | Stewart | Movie |
|
| Fay Grim (2006) | Agent Fulbright | Movie |
|
| Mini's First Time (2006) | Mike Rudell | Movie |
|
| Will & Grace (2005) | Scott Woolley | TV Show |
|
| Crank Yankers (2003–2005) | Professor Fermstein | TV Show |
|
| Tom Goes to the Mayor (2004) | Bill Joel | TV Show |
|
| The Life Aquatic with Steve Zissou (2004) | Alistair Hennessey | Movie |
|
| Spinning Boris (2003) | George Gorton | Movie |
|
| Dallas 362 (2003) | Bob | Movie |
|
| Friends (2003) | Leonard Hayes | TV Show |
|
| War Stories (2003) | Ben Dansmore | TV Movie |
|
| Robbie the Reindeer in Legend of the Lost Tribe (2002) | White Rabbit (voice) | TV Movie |
|
| Igby Goes Down (2002) | D.H. | Movie |
|
| King of the Hill (2002) | Dr. Vayzosa | TV Show |
|
| Cats & Dogs (2001) | Professor Brody | Movie |
|
| Perfume (2001) | Jamie | Movie |
|
| One of the Hollywood Ten (2000) | Herbert Biberman | Movie |
|
| Chain of Fools (2000) | Avnet | Movie |
|
| Auggie Rose (2000) | John Nolan | Movie |
|
| The Prince of Egypt (1998) | Aaron (voice) | Movie |
|
| Mr. Show with Bob and David (1998) | Civil War Narrator | TV Show |
|
| Holy Man (1998) | Ricky Hayman | Movie |
|
| The Lost World: Jurassic Park (1997) | Ian Malcolm | Movie |
|
| Saturday Night Live (1993–1997) | Host | TV Show |
|
| Mad Dog Time (1996) | Mickey Holliday | Movie |
|
| Independence Day (1996) | David Levinson | Movie |
|
| The Great White Hype (1996) | Mitchell Kane | Movie |
|
| The Simpsons (1996) | MacArthur Parker | TV Show |
|
| Powder (1995) | Donald Ripley | Movie |
|
| The Larry Sanders Show (1995) | Jeff Goldblum | TV Show |
|
| Nine Months (1995) | Sean Fletcher | Movie |
|
| Hideaway (1995) | Hatch | Movie |
|
| Futurequest (1994) | Narrator | TV Show |
|
| Lush Life (1993) | Al Gorky | TV Movie |
|
| Jurassic Park (1993) | Dr. Ian Malcolm | Movie |
|
| Shooting Elizabeth (1992) | Howard Pigeon | Movie |
|
| Deep Cover (1992) | David Jason | Movie |
|
| Fathers & Sons (1992) | Max | Movie |
|
| The Favour, the Watch and the Very Big Fish (1991) | Pianist | Movie |
|
| Captain Planet and the Planeteers (1990–1991) | Verminous Skumm | TV Show |
|
| Framed (1990) | Wiley | TV Movie |
|
| Mister Frost (1990) | Mr. Frost | Movie |
|
| Twisted Obsession (1989) | Daniel Gillis | Movie |
|
| The Tall Guy (1989) | Dexter King | Movie |
|
| Earth Girls Are Easy (1988) | Mac | Movie |
|
| Vibes (1988) | Nick Deezy | Movie |
|
| The Race for the Double Helix (1987) | Jim Watson | TV Movie |
|
| Beyond Therapy (1987) | Bruce | Movie |
|
| The Fly (1986) | Seth Brundle | Movie |
|
| The Ray Bradbury Theater (1986) | Cogswell | TV Show |
|
| Transylvania 6-5000 (1985) | Jack Harrison | Movie |
|
| Silverado (1985) | Slick | Movie |
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| Into the Night (1985) | Ed Okin | Movie |
|
| Faerie Tale Theatre (1985) | Buck Wolf | TV Show |
|
| The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) | New Jersey | Movie |
|
| Ernie Kovacs: Between the Laughter (1984) | Ernie Kovacs | TV Movie |
|
| American Playhouse (1984) | n/a | TV Show |
|
| The New Show (1984) | Various | TV Show |
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| The Right Stuff (1983) | Recruiter | Movie |
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| The Big Chill (1983) | Michael Gold | Movie |
|
| Rehearsal for Murder (1982) | Leo Gibbs | TV Movie |
|
| Laverne & Shirley (1982) | Jeffrey | TV Show |
|
| Threshold (1981) | Dr. Aldo Gehring | Movie |
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| The Legend of Sleepy Hollow (1980) | Ichabod Crane | TV Movie |
|
| Tenspeed and Brown Shoe (1980) | Lionel Whitney | TV Show |
|
| Invasion of the Body Snatchers (1978) | Jack Bellicec | Movie |
|
| Thank God It's Friday (1978) | Tony | Movie |
|
| Remember My Name (1978) | Mr. Nudd | Movie |
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| Between the Lines (1977) | Max Arloft | Movie |
|
| Annie Hall (1977) | Lacey Party Guest | Movie |
|
| Starsky and Hutch (1977) | Harry Markham | TV Show |
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| The Sentinel (1977) | Jack | Movie |
|
| The Blue Knight (1976) | Daggett | TV Show |
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| St. Ives (1976) | Hood #3 | Movie |
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| Special Delivery (1976) | Snake | Movie |
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| Next Stop, Greenwich Village (1976) | Clyde Baxter | Movie |
|
| Nashville (1975) | Tricycle Man | Movie |
|
| California Split (1974) | Lloyd Harris | Movie |
|
| Death Wish (1974) | Freak #1 | Movie |
|
Film & TV List | Role | Media |
|
| Late Night with Jimmy Fallon (2009–2012) | Himself
/
Himself - Guest | TV Show |
|
| Conan (2011) | Himself | TV Show |
|
| The Late Late Show with Craig Ferguson (2007–2011) | Himself
/
Himself - Guest | TV Show |
|
| Top Gear (2010) | Himself | TV Show |
|
| The Colbert Report (2009–2010) | Himself
/
Himself - Guest | TV Show |
|
| Entertainment Tonight (2006–2010) | Himself | TV Show |
|
| The Tonight Show with Conan O'Brien (2009) | Himself | TV Show |
|
| Late Show with David Letterman (1997–2009) | Himself
/
Himself - Guest | TV Show |
|
| Late Night with Conan O'Brien (1993–2008) | Himself | TV Show |
|
| The View (2004–2008) | Himself | TV Show |
|
| Last Call with Carson Daly (2004–2007) | Himself | TV Show |
|
| The Daily Show with Jon Stewart (1998) | Himself | TV Show |
|
| The Tonight Show with Jay Leno (1993–1998) | Himself | TV Show |
|