Filmography73 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Life, Larry and the Pursuit of Unhappiness: An Almost History of AmericaSeries | Wilbur Wright | 56 |
| 2024 | Am I OK?Movie | Stu | 54 |
| 2023 | SmartLess: On the RoadSeries | Self | 53 |
| 2022 | "Sr."Movie | Self | 52 |
| 2021 | Q-ForceSeries | Steve Maryweather (voice) | 51 |
| 2020 | Stars in the HouseSeries | Self - Special Guest | 50 |
| 2020 | Lazy SusanMovie | Susan | 50 |
| 2020 | Together in Pride: You Are Not AloneMovie | Self | 50 |
| 2019 | Live in Front of a Studio Audience: Norman Lear's "All in the Family" and "The Jeffersons"Movie | Mr. Lorenzo | 49 |
| 2019 | The Morning ShowSeries | Wyatt | 49 |
| 2017 | The Emoji MovieMovie | Steven (voice) | 47 |
| 2017 | Will & GraceSeries | Jack McFarland | 47 |
| 2017 | The NinetiesSeries | Self | 47 |
| 2017 | Rapunzel's Tangled AdventureSeries | Pete the Guard (voice) | 47 |
| 2016 | Must See TV: An All Star Tribute to James BurrowsMovie | Self | 46 |
| 2016 | Jerry Lewis: The Man Behind the ClownMovie | Self | 46 |
| 2015 | The Late Show with Stephen ColbertSeries | Self - Guest | 45 |
| 2015 | Close Up with The Hollywood ReporterSeries | Self | 45 |
| 2014 | Late Night with Seth MeyersSeries | Self - Guest | 44 |
| 2014 | Party CentralMovie | Terri (voice) | 44 |
| 2014 | The Maya Rudolph ShowMovie | Self | 44 |
| 2013 | Monsters UniversityMovie | Terri (voice) | 43 |
| 2013 | Hollywood Game NightSeries | Self | 43 |
| 2013 | The MillersSeries | Kip Finkle | 43 |
| 2013 | Sean Saves the WorldSeries | Sean | 43 |
| 2012 | Hit & RunMovie | Sandy Osterman | 42 |
| 2012 | SmashSeries | Terry Falls | 42 |
| 2012 | The Three StoogesMovie | Larry | 42 |
| 2011 | PortlandiaSeries | Sean | 41 |
| 2011 | Up All NightSeries | Walter | 41 |
| 2010 | Hot in ClevelandSeries | Self | 40 |
| 2010 | Who Do You Think You Are?Series | Self | 40 |
| 2010 | Cats & Dogs: The Revenge of Kitty GaloreMovie | Mr. Tinkles (voice) | 40 |
| 2009 | Parks and RecreationSeries | Buddy Wood | 39 |
| 2009 | Watch What Happens Live with Andy CohenSeries | Self - Guest | 39 |
| 2008 | IgorMovie | Brain (voice) | 38 |
| 2008 | Soul MenMovie | Danny Epstein | 38 |
| 2007 | The Bucket ListMovie | Thomas | 37 |
| 2007 | The Graham Norton ShowSeries | Self | 37 |
| 2007 | Head CaseSeries | Self | 37 |
| 2006 | 30 RockSeries | Jesse Parcell | 36 |
| 2006 | Rachael RaySeries | — | 36 |
| 2006 | The Megan Mullally ShowSeries | Self - Guest | 36 |
| 2006 | Lovespring InternationalSeries | — | 36 |
| 2005 | American Dad!Series | Foster (voice) | 35 |
| 2005 | The Reichen ShowSeries | Self | 35 |
| 2005 | The Showbiz Show with David SpadeSeries | — | 35 |
| 2004 | Win a Date with Tad Hamilton!Movie | Richard Levy the Shameless | 34 |
| 2004 | Tom Goes to the MayorSeries | Tour Guide (voice) | 34 |
| 2003 | The Ellen DeGeneres ShowSeries | Self | 33 |
| 2003 | Jimmy Kimmel Live!Series | Self - Guest | 33 |
| 2003 | The Cat in the HatMovie | Mr. Humberfloob / Fish (voice) | 33 |
| 2003 | Pieces of AprilMovie | Wayne | 33 |
| 2002 | NBC 75th Anniversary SpecialMovie | Self | 32 |
| 2002 | Saturday Night Live: The Best of Will FerrellMovie | Clerk (archive footage) | 32 |
| 2002 | Martin and LewisMovie | Jerry Lewis | 32 |
| 2001 | ScrubsSeries | Nick | 31 |
| 2001 | Cats & DogsMovie | Mr. Tinkles (voice) | 31 |
| 2001 | The TrackerMovie | Punk Nikolai | 31 |
| 2000 | Curb Your EnthusiasmSeries | Christopher Mantle | 30 |
| 2000 | Buzz Lightyear of Star Command: The Adventure BeginsMovie | Brain Pod #13 (voice) | 30 |
| 1999 | Jackie's Back!Movie | Sean Hayes | 29 |
| 1998 | Will & GraceSeries | Jack McFarland | 28 |
| 1998 | Billy's Hollywood Screen KissMovie | Billy Collier | 28 |
| 1997 | The ViewSeries | Self | 27 |
| 1996 | The Daily ShowSeries | Self | 26 |
| 1996 | The Rosie O'Donnell ShowSeries | Self | 26 |
| 1994 | Inside the Actors StudioSeries | Self | 24 |
| 1992 | The Tonight Show with Jay LenoSeries | — | 22 |
| 1991 | Silk StalkingsSeries | — | 21 |
| 1991 | RugratsSeries | Talent Show Director (voice) | 21 |
| 1975 | Saturday Night LiveSeries | Self - Host | 5 |
| 1975 | People's Choice AwardsSeries | Self - Presenter | 5 |