Actor
- Did You Hear About the Morgans? (2009) .... Paul
- Oscar, que empiece el espectáculo (2008) .... Himself (archive footage) (uncredited)
- Music and Lyrics (2007) .... Alex Fletcher
- American Dreamz (2006) .... Martin Tweed
- "Have I Got News for You" Episode #32.4 (2006) .... The Prime Minister (archive footage) (uncredited)
- Humbert Balsan, producteur rebelle (2006) .... Acteur 'Travaux, on sait quand ça commence...' (archive footage)
- 20 to 1 Memorable Movie Characters (2006) .... Himself (archive footage)
- Greatest Before They Were Stars TV Moments (2005) .... Preacher Colin (archive footage)
- Travaux, on sait quand ça commence... (Housewarming) (2005) .... Le nouveau voisin
- Comic Relief Does University Challenge (2005) .... Himself
- Tsunami Aid: A Concert of Hope (2005) .... Himself
- Biography Sandra Bullock: In the Driver's Seat (2005) .... Himself (archive footage)
- Favouritism Michael Portillo's Great British Losers (2005) .... Himself (archive footage)
- Bridget Jones: The Edge of Reason (2004) .... Daniel Cleaver
- Retrosexual: The 80's (2004) .... (archive footage)
- Bridget Jones 2: T4 Movie Special (2004) .... Himself
- 101 Biggest Celebrity Oops (2004) .... Himself - #81: Celebrity Arrests (archive footage)
- Love Hollywood Style (2004) .... Himself
- Love Actually (2003) .... The Prime Minister
- Comic Relief 2003: The Big Hair Do (2003) .... Himself
- 4Pop (2003) .... Himself (2 episodes, 2003-2004)
- 101 Most Shocking Moments in Entertainment (2003) .... (archive footage)
- Total Cops (2003) .... (archive footage)
- Two Weeks Notice (2002) .... George Wade
- Legend of the Lost Tribe (2002) .... Blitzen (voice: English version)
- About a Boy (2002) .... Will
- VH1 Cast Party (2002) .... Himself (1 episode, 2002)
- Being Mick (2001) .... Himself
- Bridget Jones's Diary (2001) .... Daniel Cleaver
- Small Time Crooks (2000) .... David
- Mickey Blue Eyes (1999) .... Michael Felgate
- The Making of a Mobster: 'Mickey Blue Eyes' (1999) .... Himself
- Notting Hill (1999) .... William Thacker
- Comic Relief: Doctor Who - The Curse of Fatal Death (1999) .... The Doctor
- Bravo Profiles: The Entertainment Business (1998) .... Himself
- Junket Whore (1998) .... Himself
- Off the Menu: The Last Days of Chasen's (1997) .... Himself (with Liz Hurley) (uncredited)
- Happy Birthday Elizabeth: A Celebration of Life (1997) ....
- Extreme Measures (1996) .... Dr. Guy Luthan
- Night Train to Venice (1996) .... Martin
- Restoration (1996) .... Elias Finn
- The Nanny The Rosie Show (1996) .... Himself (uncredited)
- Sense and Sensibility (1995) .... Edward Ferrars
- An Awfully Big Adventure (1995) .... Meredith Potter
- Nine Months (1995) .... Samuel Faulkner
- The Englishman Who Went Up a Hill But Came Down a Mountain (1995) .... Reginald Anson
- The 67th Annual Academy Awards (1995) .... Himself - Presenter: Best Original Score
- Comic Relief: Behind the Nose (1995) .... Himself
- Sirens (1994) .... Anthony Campion
- Bitter Moon (1994) .... Nigel
- Four Weddings and a Funeral (1994) .... Charles
- The Remains of the Day (1993) .... Reginald Cardinal
- Comic Relief: The Invasion of the Comic Tomatoes (1993) .... Himself
- The Trials of Oz (1991) .... Richard Neville
- Our Sons (1991) .... James
- Impromptu (1991) .... Frederic Chopin
- The Big Man (1990) .... Gordon
- The Dawning (1990) .... Harry
- Till We Meet Again (1989) .... Bruno de Lancel
- Remando al viento (1989) .... Lord Byron
- Champagne Charlie (1989) .... Charles Heidsieck
- The Lady and the Highwayman (1989) .... Lord Lucius Vyne
- The Lair of the White Worm (1988) .... Lord James D'Ampton
- La Nuit Bengali (1988) .... Allan
- Maurice (1987) .... Clive Durham
- White Mischief (1987) .... Hugh
- Lord Elgin and Some Stones of No Value (1986) .... William Hamilton / James
- The Demon Lover (1986) .... Robert Drover
- Jenny's War (1985) .... Peter Baines
- The Last Place on Earth (1985) .... Apsley Cherry-Garrard
- Honour, Profit & Pleasure (1985) .... Burlington
- Privileged (1982) .... Lord Adrian (as Hughie Grant)