| Year | Television | Role | Notes |
| 1990 | A Bit of Fry and Laurie | Man at the Bottom Fondled in Audience | Episode: "Episode " |
| Vic Reeves Big Night Out | David RowellsJean-Paul GaultierMr. Popkins | Episodes: "Episode Episode Episode " |
| 1990–1992 | Harry Enfield's Television Programme | Fred GitLanceMike "Smashie" SmashVincent | Also screenwriter |
| 1991 | Comic Relief | Mike "Smashie" Smash | TV film |
| Paul Merton: The Series | Carver | Episode: "Episode " |
| 1992 | Bunch of Five | Spencer Pendel | Episode: "The Weekenders" |
| 1993–1995 | The Smell of Reeves and Mortimer | Jimmy Lea from SladeHeinrich Himmler | |
| 1994 | Smashie and Nicey, the End of an Era | Mike "Smashie" Smash | TV film |
| 1994–1997 | Harry Enfield & Chums | Mister DeadGeorge DobermanJulio GeordioFred GitLanceMichael Paine | Also screenwriter |
| 1994–2014 | The Fast Show | "Unlucky" AlfArchieArthur AtkinsonBrilliant KidPoutremos Poutra-PoutremosChris the Crafty CockneyThe 13th Duke of WymbourneLindseyRon ManagerRowley Birkin QCTedVarious roles | Also co-creator and screenwriter |
| 1998 | Ted & Ralph | TedRowley BirkinKevin Brown | TV film |
| 1999 | You Ain't Seen All These, Right? | Various roles |
| David Copperfield | Pawnbroker |
| Hooves of Fire | Prancer (voice) | |
| 2000 | Randall & Hopkirk (Deceased) | Sidney Crabbe | Episode: "A Blast from the Past" |
| 2001 | Jumpers for Goalposts | Ron Manager | |
| Comic Relief: Say Pants to Poverty | Ted | TV film |
| We Know Where You Live | Mike "Smashie" SmashGeorge |
| 2001–2002 | Fun at the Funeral Parlour | Harrison Ford The News Agent | Episodes: "Death in the Valleys The Heron Incident Dead Aid" |
| 2001–2003 | Happiness | Danny Spencer | Also screenwriter |
| 2002 | I Love the 100 Best Top Ten Lists of the Fast Show Ever! | Various characters | |
| Legend of the Lost Tribe | Prancer (voice) | |
| 2004 | The Ultimate Pop Star | Mike "Smashie" Smash | TV film |
| Swiss Toni | Brickabrack Lennard | Episode: "Fothergill 2000" |
| 2005 | Help | Various characters | |
| The Catherine Tate Show | Dad | Episode: "Episode " |
| 2007 | Close Encounters of the Herd Kind | Prancer (voice) | |
| 2007–2012 | Harry & Paul | Various characters | Also co-creator and screenwriter |
| 2009 | Comic Relief 2009 | Evan DavisTheo ProfiteroleDuncan Guillotine | TV film |
| Horne & Corden | | Episode: "Episode " |
| 2010 | Bellamy's People | Various characters | Also director and screenwriter |
| 2014 | The Life of Rock with Brian Pern | Pat QuidMike "Smashie" Smash | |
| Harry and Paul's Story of the Twos | Various characters | |
| 2015 | Nurse | Billy | Also screenwriter |
| 2018– present | Mortimer & Whitehouse: Gone Fishing | Himself | |
| 2020 | Smashie's Christmastastic Playlist | Mike "Smashie" Smash | |
| 2021 | Murder, They Hope | Monty | Episode: "Evil Under the Bun" |
| 2022 | The Lovebox in Your Living Room | Various | |
| 2023 | Paul Whitehouse: Our Troubled Rivers | Himself | Two-part documentary |
| Dodger | Royston, Chief of the Yeomen Warders | Episode: "Coronation" |
| 2023–present | The Change | | TV series |
| 2027 | Harry Potter | Argus Filch | TV series |
