Film & TV List | Role | Media |
 |
| Franklin & Bash (2012) | Lawrence Reynolds | TV Show |
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| Hot in Cleveland (2012) | George | TV Show |
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| Glenn Martin DDS (2009–2011) | Glenn Martin | TV Show |
|
| And They're Off (2011) | n/a | Movie |
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| Weeds (2005–2011) | Doug Wilson | TV Show |
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| Jimmy Kimmel Live! (2011) | Arnold Schwarzenegger | TV Show |
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| Bucky Larson: Born to Be a Star (2011) | Gary | Movie |
|
| Just Go with It (2011) | Adon | Movie |
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| Glory Daze (2010) | Marcus | TV Show |
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| 'Til Death (2010) | Stephen Redford | TV Show |
|
| American Dad! (2010) | n/a | TV Show |
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| Aliens in the Attic (2009) | Stuart Pearson | Movie |
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| The Goode Family (2009) | Irwin Winslow | TV Show |
|
| University of Andy (2009) | Doug Wilson | TV Show |
|
| Get Smart (2008) | CIA Agent | Movie |
|
| You Don't Mess with the Zohan (2008) | Kevin | Movie |
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| Remarkable Power (2008) | Jack West | Movie |
|
| Still Standing (2003–2006) | Ted Halverson | TV Show |
|
| Campus Ladies (2006) | Kevin | TV Show |
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| Grandma's Boy (2006) | Mr. Cheezle | Movie |
|
| Curb Your Enthusiasm (2005) | Kevin Nealon | TV Show |
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| Fat Actress (2005) | Johnny Knightley | TV Show |
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| Good Boy! (2003) | Mr. Baker | Movie |
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| Daddy Day Care (2003) | Bruce | Movie |
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| Crank Yankers (2003) | Jack Gravat
/
OCD Ken | TV Show |
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| Anger Management (2003) | Sam | Movie |
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| Eight Crazy Nights (2002) | Mayor (voice) | Movie |
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| Monk (2002) | John Wurster | TV Show |
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| The Master of Disguise (2002) | White Collar Executive | Movie |
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| Three Sisters (2001) | Terry | TV Show |
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| Heartbreakers (2001) | Man at the Bar | Movie |
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| Little Nicky (2000) | Gatekeeper | Movie |
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| Norm (2000) | Smith | TV Show |
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| Bar Hopping (2000) | Chuckie | TV Movie |
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| Dharma & Greg (1998–1999) | Mr. Clayborn | TV Show |
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| The Outer Limits (1999) | Dr. Mark Crest | TV Show |
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| 3rd Rock from the Sun (1999) | Dennis Caslow | TV Show |
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| Kill the Man (1999) | Albino Advocate | Movie |
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| Hiller and Diller (1997–1998) | Ted Hiller | TV Show |
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| The Wedding Singer (1998) | Mr. Simms | Movie |
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| Principal Takes a Holiday (1998) | Franklin Fitz | TV Movie |
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| Something So Right (1997) | Joel | TV Show |
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| The Larry Sanders Show (1993–1996) | Kevin Nealon | TV Show |
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| Dr. Katz, Professional Therapist (1996) | Kevin | TV Show |
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| Champs (1996) | Marty Heslov | TV Show |
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| Happy Gilmore (1996) | Potter | Movie |
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| Coneheads (1993) | Senator | Movie |
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| Partners (1993) | n/a | TV Movie |
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| The Edge (1992) | Greg | TV Show |
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| All I Want for Christmas (1991) | Tony Boer | Movie |
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| Monsters (1990) | Louis | TV Show |
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| Roxanne (1987) | Drunk #2 | Movie |
|
| Scarecrow and Mrs. King (1985) | n/a | TV Show |
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Film & TV List | Role | Media |
|
| The Talk (2011–2012) | Guest | TV Show |
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| Conan (2010–2012) | Himself | TV Show |
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| Late Show with David Letterman (2011) | Guest | TV Show |
|
| The Next Iron Chef (2011) | Himself | TV Show |
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| Late Night with Jimmy Fallon (2009–2011) | Himself | TV Show |
|
| Real Time with Bill Maher (2011) | Himself | TV Show |
|
| The Wendy Williams Show (2010) | Himself | TV Show |
|
| The Jay Leno Show (2009) | Himself | TV Show |
|
| The Tonight Show with Conan O'Brien (2009) | Himself | TV Show |
|
| The Daily Show with Jon Stewart (2002–2009) | Himself | TV Show |
|
| Last Call with Carson Daly (2006–2008) | Himself | TV Show |
|
| Entertainment Tonight (2008) | Himself | TV Show |
|
| The Tonight Show with Jay Leno (1993–2008) | Himself
/
Himself - reports from the Democratic Convention | TV Show |
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| Late Night with Conan O'Brien (1993–2008) | Himself | TV Show |
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| The Late Late Show with Craig Ferguson (2006) | Himself | TV Show |
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| Celebrity Poker Showdown (2004–2005) | Himself | TV Show |
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| The View (2005) | Himself | TV Show |
|
| Comedy Central Presents (1999) | Himself | TV Show |
|