
Filmography141 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | To Kill a NaziMovie | Narrator | 67 |
| 2025 | The Electric StateMovie | Ted / Wingman | 66 |
| 2023 | History of the World: Part IISeries | Maurice Cheeks | 64 |
| 2023 | LeoMovie | Jayda's Dad (voice) | 64 |
| 2023 | Rock, Paper, ScissorsSeries | Jonathan Fartjoke (voice) | 64 |
| 2021 | Star Trek: ProdigySeries | Counselor Noum (voice) | 62 |
| 2021 | Celebrity Wheel of FortuneSeries | Self - Contestant | 62 |
| 2021 | Broadway: Beyond the Golden AgeMovie | Self | 62 |
| 2021 | The Problem with Jon StewartSeries | Jeff Bezos | 62 |
| 2020 | Stars in the HouseSeries | Self | 61 |
| 2020 | My Boyfriend's MedsMovie | Dr. Sternbach | 61 |
| 2020 | The Rocky Horror Musical Live StreamMovie | Narrator | 61 |
| 2019 | Harley QuinnSeries | Sy Borgman (voice) | 60 |
| 2019 | Mad About YouSeries | Jason Alexander | 60 |
| 2019 | The Movies That Made UsSeries | Self | 60 |
| 2018 | The ConnersSeries | Pastor Phil | 59 |
| 2017 | Young SheldonSeries | Gene Lundy | 58 |
| 2017 | The OrvilleSeries | Olix | 58 |
| 2017 | The Marvelous Mrs. MaiselSeries | Asher Friedman | 58 |
| 2017 | Hit the RoadSeries | Ken Swallow | 58 |
| 2016 | The Last LaughMovie | Self (archive footage) (uncredited) | 57 |
| 2016 | To Tell the TruthSeries | Self - Panelist | 57 |
| 2016 | Match GameSeries | Self - Panelist | 57 |
| 2016 | The $100,000 PyramidSeries | Self | 57 |
| 2016 | Best Worst Thing That Ever Could Have Happened...Movie | Self | 57 |
| 2016 | Tom and Jerry: Back to OzMovie | Mr. Bibb / The Nome King (voice) | 57 |
| 2016 | For the Love of SpockMovie | Self | 57 |
| 2015 | Wild CardMovie | Pinky | 56 |
| 2015 | The Late Late Show with James CordenSeries | Self | 56 |
| 2015 | The GrinderSeries | Cliff Bemis | 56 |
| 2015 | Larry Gaye: Renegade Male Flight AttendantMovie | Larry's Dad | 56 |
| 2015 | Misery Loves ComedyMovie | Self | 56 |
| 2015 | The Late Show with Stephen ColbertSeries | Self - Guest | 56 |
| 2014 | TripTankSeries | Doctor (voice) | 55 |
| 2014 | Late Night with Seth MeyersSeries | Self - Guest | 55 |
| 2014 | Penn Zero: Part-Time HeroSeries | Coach Wallace (voice) | 55 |
| 2014 | The Tom and Jerry ShowSeries | Rick (voice) | 55 |
| 2013 | Drunk HistorySeries | William Tweed | 54 |
| 2013 | Hollywood Game NightSeries | Self | 54 |
| 2012 | Comedy Bang! Bang!Series | Inspector Gantlet | 53 |
| 2012 | Comedians in Cars Getting CoffeeSeries | Self | 53 |
| 2011 | Harry's LawSeries | Richard Cross | 52 |
| 2011 | Franklin & BashSeries | Carter Lang | 52 |
| 2011 | A Fairly Odd Movie: Grow Up, Timmy Turner!Movie | Cosmo | 52 |
| 2011 | Talking DeadSeries | Self | 52 |
| 2011 | The Voyages of Young Doctor DolittleMovie | Eugene (voice) | 52 |
| 2010 | Fish HooksSeries | Mr. Nibbles (voice) | 51 |
| 2010 | The Marriage RefSeries | Self - Panelist | 51 |
| 2009 | The Cleveland ShowSeries | — | 50 |
| 2009 | CommunitySeries | Mountain Man | 50 |
| 2009 | Hachi: A Dog's TaleMovie | Carl | 50 |
| 2009 | MeteorSeries | Dr. Chetwyn | 50 |
| 2007 | The GrandMovie | Dr. Yakov Achmed | 48 |
| 2006 | Rachael RaySeries | Self - Guest | 47 |
| 2006 | Farce of the PenguinsMovie | Penguin on Belly (voice) | 47 |
| 2006 | The New Adventures of Old ChristineSeries | Dr. Palmer | 47 |
| 2006 | Talkshow with Spike FerestenSeries | — | 47 |
| 2006 | Comedy Central Roast of William ShatnerMovie | Self - Roastmaster | 47 |
| 2006 | Snoop Dogg's Hood of HorrorMovie | British Record Mogul | 47 |
| 2005 | Criminal MindsSeries | Prof. Rothchild | 46 |
| 2005 | Robot ChickenSeries | Krampus (voice) | 46 |
| 2005 | American Dad!Series | Mr. Orlando (voice) | 46 |
| 2005 | The Late Late Show with Craig FergusonSeries | Self | 46 |
| 2005 | Everybody Hates ChrisSeries | Principal Edwards | 46 |
| 2005 | The AristocratsMovie | Self | 46 |
| 2005 | Earth to AmericaMovie | self | 46 |
| 2004 | The Tony Danza ShowSeries | Self - Guest | 45 |
| 2004 | Listen Up!Series | Tony Kleinman | 45 |
| 2004 | A Christmas CarolMovie | Jacob Marley / Marley's Ghost | 45 |
| 2004 | Seinfeld: How It BeganMovie | Self/George Costanza | 45 |
| 2004 | The Seinfeld StoryMovie | Self | 45 |
| 2003 | Two and a Half MenSeries | Dr. Goodman | 44 |
| 2003 | Jimmy Kimmel Live!Series | Self | 44 |
| 2003 | The Ellen DeGeneres ShowSeries | Self | 44 |
| 2003 | 101 Dalmatians II: Patch's London AdventureMovie | Lightning (voice) | 44 |
| 2003 | Real Time with Bill MaherSeries | Self | 44 |
| 2002 | MonkSeries | Marty Eels | 43 |
| 2002 | The Twilight ZoneSeries | Patient | 43 |
| 2002 | The Hunchback of Notre Dame IIMovie | Gargoyle Hugo (voice) | 43 |
| 2001 | Primetime GlickSeries | — | 42 |
| 2001 | Shallow HalMovie | Mauricio Wilson | 42 |
| 2001 | Bob PattersonSeries | Bob Patterson | 42 |
| 2001 | On EdgeMovie | Zamboni Phil | 42 |
| 2001 | Good Day LiveSeries | Self | 42 |
| 2001 | The Trumpet of the SwanMovie | Father (voice) | 42 |
| 2001 | Critics Choice AwardsSeries | Self | 42 |
| 2001 | The Legend of TarzanSeries | Zutho (voice) | 42 |
| 2001 | Disney's House of MouseSeries | — | 42 |
| 2000 | Malcolm in the MiddleSeries | Leonard | 41 |
| 2000 | Curb Your EnthusiasmSeries | Jason Alexander | 41 |
| 2000 | The HuntressSeries | — | 41 |
| 2000 | The Adventures of Rocky & BullwinkleMovie | Boris | 41 |
| 2000 | Son of the BeachSeries | — | 41 |
| 1999 | The Late Late Show with Craig KilbornSeries | Self - Guest | 40 |
| 1999 | DilbertSeries | Catbert (voice) | 40 |
| 1999 | Larry David: Curb Your EnthusiasmMovie | Self | 40 |
| 1998 | HerculesSeries | Poseidon (voice) | 39 |
| 1998 | Hollywood SquaresSeries | Self - Panelist | 39 |
| 1998 | DenialMovie | Art Witz | 39 |
| 1997 | CinderellaMovie | Lionel | 38 |
| 1996 | The Hunchback of Notre DameMovie | Gargoyle Hugo (voice) | 37 |
| 1996 | Remember WENNSeries | Alan Ballinger | 37 |
| 1996 | Dunston Checks InMovie | Robert Grant | 37 |
| 1996 | Muppets TonightSeries | Self | 37 |
| 1995 | Star Trek: VoyagerSeries | Kurros | 36 |
| 1995 | The Last SupperMovie | Anti-Enviroment | 36 |
| 1995 | A Tribute to Stephen SondheimMovie | — | 36 |
| 1995 | For Better or WorseMovie | Michael Makeshift | 36 |
| 1994 | FriendsSeries | Earl | 35 |
| 1994 | DuckmanSeries | Duckman (voice) | 35 |
| 1994 | NorthMovie | North's Dad | 35 |
| 1994 | AladdinSeries | Abis Mal (voice) | 35 |
| 1994 | The PaperMovie | Marion Sandusky | 35 |
| 1994 | The Return of JafarMovie | Abis Mal (voice) | 35 |
| 1994 | BlankmanMovie | Mr. Stone | 35 |
| 1993 | The NannySeries | Jack | 34 |
| 1993 | ConeheadsMovie | Larry Farber | 34 |
| 1992 | The Larry Sanders ShowSeries | Jason Alexander | 33 |
| 1992 | I Don't Buy Kisses AnymoreMovie | Bernie Fishbine | 33 |
| 1991 | DinosaursSeries | The Job Wizard (voice) | 32 |
| 1990 | Jacob's LadderMovie | Geary | 31 |
| 1990 | Pretty WomanMovie | Philip Stuckey | 31 |
| 1990 | Dream OnSeries | Randall Townsend | 31 |
| 1990 | White PalaceMovie | Neil | 31 |
| 1989 | The SimpsonsSeries | Bourbon Verlander (voice) | 30 |
| 1989 | SeinfeldSeries | George Costanza | 30 |
| 1988 | LIVE with Kelly and MarkSeries | Self - Guest | 29 |
| 1988 | Favorite SonSeries | Chris Van Allen | 29 |
| 1987 | Everything's RelativeSeries | Julian Beeby | 28 |
| 1986 | Brighton Beach MemoirsMovie | Pool Player #1 | 27 |
| 1986 | The Mosquito CoastMovie | Hardware Clerk | 27 |
| 1984 | Jeopardy!Series | Self | 25 |
| 1984 | E/RSeries | Harold Stickley | 25 |
| 1983 | Reading RainbowSeries | Self - Narrator (voice) | 24 |
| 1982 | NewhartSeries | — | 23 |
| 1982 | Late Night with David LettermanSeries | Self | 23 |
| 1981 | Senior TripMovie | Pete | 22 |
| 1981 | The BurningMovie | Dave | 22 |
| 1975 | Saturday Night LiveSeries | Self - Host | 16 |
| 1975 | People's Choice AwardsSeries | Self - Host | 16 |
| 1949 | The Emmy AwardsSeries | Self | — |