Actor
- 81st Annual Academy Awards (2009) .... Himself - Presenter: Best Supporting Actor
- The Tale of Despereaux (2008) .... Andre (voice)
- President Hollywood (2008) .... Dave Kovic / Bill Mitchell (archive footage) (uncredited)
- Definitely, Maybe (2008) .... Hampton Roth
- Theater of War (2008) .... Himself
- Joueuse (2008) .... Kröger
- Cyrano de Bergerac (2008) .... Cyrano
- Imaginary Witness: Hollywood and the Holocaust (2007) .... (archive footage)
- Trade (2007) .... Ray Sheridan
- As You Like It (2006) .... Jaques
- A Prairie Home Companion (2006) .... Guy Noir
- The Pink Panther (2006) .... Dreyfus
- The Gateway Arch: A Reflection of America (2006) .... Narrator
- De-Lovely (2004) .... Cole Porter
- Jiminy Glick in Lalawood (2004) .... Himself
- The Late Late Show Episode dated 1 October 2004 (2004) .... Himself
- Freedom: A History of Us (2003) .... Thomas Jefferson / ... (7 episodes, 2003)
- The Shakespeare Sessions (2003) .... Himself
- The Emperor's Club (2002) .... William Hundert
- Orange County (2002) .... Marcus Skinner (uncredited)
- Life as a House (2001) .... George Monroe
- The Anniversary Party (2001) .... Cal Gold
- The Kennedy Center Presents: Speak Truth to Power (2000) .... Various
- The Road to El Dorado (2000) .... Tulio (voice)
- Python Night: 30 Years of Monty Python (1999) .... Himself
- Wild Wild West (1999) .... U.S. Marshal Artemus Gordon / Pres. Ulysses S. Grant
- A Midsummer Night's Dream (1999) .... Nick Bottom
- The Directors (1999) .... Himself / ... (3 episodes)
- Classified X (1998) .... Himself (archive footage)
- The Ice Storm (1997) .... Ben Hood
- In & Out (1997) .... Howard Brackett
- Fierce Creatures (1997) .... Vince McCain / Rod McCain
- Looking for Richard (1996) .... Himself (Interview)
- The Hunchback of Notre Dame (1996) .... Phoebus (voice)
- Shakespeare's Children (1996) .... Himself (reading poetry)
- The Making of Disney's 'The Hunchback of Notre Dame' (1996) .... Himself - Voice of 'Phoebus'
- 50 Years of Funny Females (1995) .... Himself (archive footage)
- French Kiss (1995) .... Luc Teyssier
- Princess Caraboo (1994) .... Frixos
- All-Star 25th Birthday: Stars and Street Forever! (1994) .... Himself (archive footage)
- The Nutcracker (1993) .... Narrator (voice)
- Dave (1993) .... Dave Kovic / Bill Mitchell
- Comic Relief: The Invasion of the Comic Tomatoes (1993) .... Himself on Wogan (archive footage)
- Chaplin (1993) .... Douglas Fairbanks
- Consenting Adults (1992) .... Richard Parker
- Grand Canyon (1992) .... Mack
- Merlin and the Dragons (1991) .... Narrator (voice)
- Soapdish (1991) .... Jeffrey Anderson / Dr. Rod Randall
- Wogan Episode dated 14 August 1991 (1991) .... Himself
- I Love You to Death (1990) .... Joey Boca
- The 62nd Annual Academy Awards (1990) .... Himself - Presenter: Best Actress in a Supporting Role
- Hamlet (1990) .... Hamlet
- January Man (1989) .... Nick Starkey
- A Fish Called Wanda (1988) .... Otto
- Cry Freedom (1987) .... Donald Woods
- The Grand Knockout Tournament (1987) .... Himself
- Violets Are Blue... (1986) .... Henry Squires
- Silverado (1985) .... Paden
- The Big Chill (1983) .... Harold Cooper
- The Pirates of Penzance (1983) .... The Pirate King
- He Makes Me Feel Like Dancin' (1983) .... Himself - Narrator of Final Performance
- Sophie's Choice (1982) .... Nathan Landau
- The Pirates of Penzance (1980) .... The Pirate King
- The Time of Your Life (1976) .... McCarthy
- Hamlet (1990) ....
- The Squid and the Whale (2006) .... thanks
- The Great New Wonderful (2005) .... special thanks
- Jiminy Glick in Lalawood (2004) .... special thanks