Film & TV List | Role | Media |
 |
| Vamps (2012) | Danny | Movie |
 |
| Curb Your Enthusiasm (2000–2011) | Richard Lewis | TV Show |
 |
| 'Til Death (2009–2010) | Miles Tunnicliff | TV Show |
 |
| Funny or Die Presents... (2010) | Shades | TV Show |
 |
| The Cleaner (2009) | Henry | TV Show |
 |
| Law & Order: Special Victims Unit (2008) | Sportsman Larry | TV Show |
 |
| Everybody Hates Chris (2006) | Kris | TV Show |
 |
| The Simpsons (2006) | Golem | TV Show |
 |
| George Lopez (2005) | Phillip Nickleson | TV Show |
 |
| Las Vegas (2005) | Stan | TV Show |
 |
| Confessions of an Action Star (2005) | Richard Lewis | Movie |
 |
| The Plug Lady (2004) | Burt | Direct to Video |
 |
| Stephen King's Dead Zone (2004) | Jack Jericho | TV Show |
 |
| 7th Heaven (2002–2004) | Rabbi Richard Glass | TV Show |
 |
| Two and a Half Men (2004) | Stan | TV Show |
 |
| Alias (2003) | Mitchell Yaeger | TV Show |
 |
| Presidio Med (2002) | Francis Weinod | TV Show |
 |
| Larry David: Curb Your Enthusiasm (1999) | Richard Lewis | TV Movie |
 |
| V.I.P. (1999) | Ronald Zane | TV Show |
 |
| Game Day (1999) | Steve Adler | Movie |
 |
| Hercules (1999) | Neurosis | TV Show |
 |
| Rude Awakening (1998) | Harve Schwartz | TV Show |
 |
| Hiller and Diller (1997–1998) | Neil Diller | TV Show |
 |
| Hugo Pool (1997) | Chick Chicalini | Movie |
 |
| Dr. Katz, Professional Therapist (1997) | Richard | TV Show |
 |
| The Maze (1997) | Markov | Movie |
 |
| Happily Ever After: Fairy Tales for Every Child (1997) | Old Beggar | TV Show |
 |
| A Weekend in the Country (1996) | Bobby Stein | TV Movie |
 |
| The Elevator (1996) | Phil Milowski | Movie |
 |
| Leaving Las Vegas (1995) | Peter | Movie |
 |
| Drunks (1995) | Jim | Movie |
 |
| A.J.'s Time Travelers (1995) | Edgar Allan Poe | TV Show |
 |
| Tales from the Crypt (1994) | Vern | TV Show |
 |
| Wagons East (1994) | Phil Taylor | Movie |
 |
| Daddy Dearest (1993) | Steven Mitchell | TV Show |
 |
| Robin Hood: Men in Tights (1993) | Prince John | Movie |
 |
| Tribeca (1993) | n/a | TV Show |
 |
| The Danger of Love: The Carolyn Warmus Story (1992) | Edward Sanders | TV Movie |
 |
| Anything But Love (1989–1992) | Marty Gold | TV Show |
 |
| Once Upon a Crime... (1992) | Julian Peters | Movie |
 |
| That's Adequate (1989) | Pimples Lapedes | Movie |
 |
| Tattingers (1988) | Longo | TV Show |
 |
| The Wrong Guys (1988) | Richard Lewis | Movie |
 |
| CBS Summer Playhouse (1987) | Joey | TV Show |
 |
| Harry (1987) | Richard Breskin | TV Show |
 |
| Riptide (1986) | Andrew Fitzsimmons Carlton III | TV Show |
 |
| Temporary Insanity (1985) | n/a | TV Movie |
 |
| House Calls (1980) | Dr. Prometheus
/
Leon | TV Show |
 |
| Diary of a Young Comic (1977) | Billy Goldstein/Gondola | TV Movie |
 |
Film & TV List | Role | Media |
 |
| The Late Late Show with Craig Ferguson (2008–2011) | Himself
/
Himself - Guest | TV Show |
 |
| The Daily Show with Jon Stewart (1996–2011) | Himself | TV Show |
 |
| The View (2005–2010) | Himself | TV Show |
 |
| The Tonight Show with Conan O'Brien (2009) | Himself | TV Show |
 |
| Late Night with Conan O'Brien (1997–2008) | Himself | TV Show |
 |
| Late Show with David Letterman (1993–2008) | Himself - Guest
/
Himself | TV Show |
 |
| The Tonight Show with Jay Leno (1993–2001) | Himself | TV Show |
 |