Film & TV List | Role | Media |
 |
| House M.D. (2004–2012) | Dr. Gregory House | TV Show |
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| Arthur Christmas (2011) | Steve (voice) | Movie |
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| The Oranges (2011) | David Walling | Movie |
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| Hop (2011) | E.B.'s Dad (voice) | Movie |
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| The Simpsons (2010) | Roger | TV Show |
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| Family Guy (2001–2009) | Dr. Gregory House | TV Show |
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| Monsters vs Aliens: Mutant Pumpkins from Outer Space (2009) | Dr. Cockroach Ph.D. (voice) | TV Movie |
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| Monsters vs Aliens (2009) | Dr. Cockroach Ph.D. (voice) | Movie |
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| Street Kings (2008) | Captain James Biggs | Movie |
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| Stuart Little (2003–2006) | Mr. Frederick Little | TV Show |
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| Stuart Little 3: Call of the Wild (2005) | Mr. Frederick Little (voice) | Direct to Video |
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| Valiant (2005) | Gutsy (voice) | Movie |
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| The Tale of Jack Frost (2004) | Narrator (voice) | TV Movie |
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| Flight of the Phoenix (2004) | Ian | Movie |
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| The Lenny Henry Show (2004) | Professor | TV Show |
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| The Young Visiters (2003) | Lord Bernard Clark | TV Movie |
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| Fortysomething (2003) | Paul Slippery | TV Show |
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| Stuart Little 2 (2002) | Mr. Frederick Little | Movie |
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| Dragans of New York (2002) | n/a | TV Movie |
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| Second Star to the Left (2001) | Archie the Bunny (voice) | TV Movie |
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| Chica de Río (2001) | Raymond | Movie |
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| Life with Judy Garland: Me and My Shadows (2001) | Vincente Minnelli | TV Movie |
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| Preston Pig (2000) | Mr. Wolf | TV Show |
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| Dominion (2000) | Freleng | TV Show |
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| Randall & Hopkirk (Deceased) (2000) | Dr. Lawyer | TV Show |
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| Maybe Baby (2000) | Sam Bell | Movie |
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| Carnivale (2000) | Cenzo (voice) | Movie |
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| Little Grey Rabbit (2000) | Hare (voice) | TV Show |
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| The Nearly Complete and Utter History of Everything (1999) | French Ambassador | TV Movie |
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| Stuart Little (1999) | Mr. Fredrick Little | Movie |
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| Santa's Last Christmas (1999) | Geoffrey the Seagull (voice) | TV Movie |
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| Cousin Bette (1998) | Baron Hector Hulot | Movie |
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| Friends (1998) | Guy On Plane | TV Show |
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| The Man in the Iron Mask (1998) | King's Advisor | Movie |
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| The Bill (1998) | Harrap | TV Show |
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| Spice World (1997) | Poirot | Movie |
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| The Borrowers (1997) | Police Officer Steady | Movie |
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| I'd Like a Word with You (1997) | n/a | Direct to Video |
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| The Place of Lions (1997) | Steve Harris | TV Movie |
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| The Ugly Duckling (1997) | Tarquin (voice) | Movie |
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| Treasure Island (1997) | Squire Trelawney (voice) | Direct to Video |
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| The Adventures of Toad (1996) | Toad (voice) | TV Movie |
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| 101 Dalmatians (1996) | Jasper | Movie |
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| Murder Most Horrid (1996) | Jerry Bryce | TV Show |
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| Dennis the Menace (1996) | Mr. Abercrombie | TV Show |
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| The Snow Queen's Revenge (1996) | Peeps (voice) | Movie |
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| The Adventures of Mole (1995) | Toad (voice) | TV Movie |
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| Sense and Sensibility (1995) | Mr. Palmer | Movie |
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| Look at the State We're In! (1995) | Director
/
Sir Michael Jaffa | TV Movie |
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| A Bit of Fry and Laurie (1987–1995) | Various Characters | TV Show |
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| The Snow Queen (1995) | Peeps (voice) | Movie |
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| The World of Peter Rabbit and Friends (1995) | Johnny Town-Mouse | TV Show |
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| A Pin for the Butterfly (1994) | Uncle | Movie |
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| All or Nothing at All (1993) | Leo
/
Leo Hopkins | TV Movie |
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| The Legends of Treasure Island (1993) | Squire Trelawney | TV Show |
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| Jeeves and Wooster (1990–1993) | Bertie Wooster (or, the Ties That Bind) (or, the Delayed Arrival) (or, Bridegroom Wanted!) (or, the Once and Future Ex) | TV Show |
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| Peter's Friends (1992) | Roger Charleston | Movie |
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| White Bear's Secret (1992) | Owl (voice) | TV Movie |
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| Brown Bear's Wedding (1991) | Owl/Mice (voice) | TV Movie |
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| Blackadder Goes Forth (1989) | Lieutenant The Honourable George Colthurst St. Barleigh | TV Show |
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| Strapless (1989) | Colin | Movie |
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| The New Statesman (1989) | Waiter | TV Show |
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| Les Girls (1988) | Mr. Mott | TV Show |
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| Blackadder's Christmas Carol (1988) | Princes Regent/Pigmot | TV Movie |
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| Friday Night Live (1988) | n/a | TV Show |
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| Black Adder the Third (1987) | The Prince Regent, their master | TV Show |
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| The Laughing Prisoner (1987) | Assistant | TV Movie |
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| Filthy Rich & Catflap (1987) | Alfons N'Bend | TV Show |
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| Up Line (1987) | n/a | TV Movie |
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| Girls on Top (1986) | Tom | TV Show |
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| Black-Adder II (1986) | Prince Ludwig | TV Show |
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| Happy Families (1985) | Jim | TV Show |
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| Mrs. Capper's Birthday (1985) | Bobby | TV Movie |
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| Plenty (1985) | Michael | Movie |
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| Alfresco (1983–1984) | Various Characters
/
Mr. Baker
/
Admissions Officer
/ … | TV Show |
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| The Young Ones (1984) | Lord Monty | TV Show |
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| The Crystal Cube (1983) | Max Belhaven/Various Roles | TV Movie |
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| There's Nothing to Worry About! (1982) | Actor
/
Ad Exec
/
Alan
/ … | TV Show |
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| Cambridge Footlights Revue (1982) | Various Characters | TV Movie |
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