Filmography
- The Plastic Dome of Norma Jean (1965) – Andy
- Fitzwilly (1967) – Oliver
- Generation (1969) – Desmond
- Three (1969) – Taylor
- Cover Me Babe (1970) – Cameraman
- Who Killed Mary What's 'Er Name? (1971) – Alex
- Mahoney's Estate (1972) – Felix
- Savages (1972) – James, the Limping Man
- The Glass Menagerie (1973) – Tom Wingfield
- The Great Gatsby (1974) – Nick Carraway
- Reflections of Murder (1974) – Michael Elliott
- Rancho Deluxe (1975) – Cecil Colson
- Journey into Fear (1975) – Mr. Graham
- Sweet Revenge (1976) – Le Clerq
- Capricorn One (1978) – Lt. Col. Peter Willis
- Interiors (1978) – Mike
- Eagle's Wing (1979) – White Bull
- Friendly Fire – C D Bryan
- Sweet William (1980) – William
- Hopscotch (1980) – Joe Cutter
- Heaven's Gate (1980) – Frank Canton
- Oppenheimer (1982) – J. Robert Oppenheimer
- Q.E.D. (1982) Professor Quentin Everett Deverill
- The Killing Fields (1984) – Sydney Schanberg
- The Boy Who Loved Trolls (1984) – Ofoeti
- Love Lives On (1985)
- Warning Sign (1985) – Cal Morse
- Finnegan Begin Again (1985) – Paul Broadbent
- Hannah and Her Sisters (1986) – David (cameo)
- Just Between Friends (1986) – Harry Crandall
- Flagrant désir (1986) – Gerry Morrison
- The Room Upstairs (1987) – Travis Coles
- Devil's Paradise (1987) – Mr. Jones
- September (1987) – Peter
- Lincoln (1988) – Abraham Lincoln
- Welcome Home (1989) – Woody
- Crimes and Misdemeanors (1989) – Ben
- Lantern Hill (1990) – Andrew Stuart
- The Civil War (1990) – Abraham Lincoln (voice)
- The Nightmare Years (1990) – William Shirer
- Mindwalk (1990) – Jack Edwards
- The Man in the Moon (1991) – Matthew Trant
- A Captive in the Land (1993) – Royce
- David's Mother (1994) – John Nils
- Serial Mom (1994) – Eugene Sutphin, D.D.S.
- The Enemy Within (1994) – President William Foster
- The Journey of August King (1995) – Mooney Wright, Producer
- Nixon (1995) – Richard Helms (scenes present only in director's cut)
- The Proprietor (1996) – Harry Bancroft
- Shadow Conspiracy (1997) – The President
- Miracle at Midnight (1998) – Dr. Karl Koster
- A House Divided (2000) – David Dickson
- The Matthew Shepard Story (2002) – Dennis Shepard
- Le Divorce (2003) – Chester Walker
- The Commission (2003) – J. Lee Rankin
- The National Parks: America's Best Idea (2009) – Various historical figures (voice)
- Prohibition (miniseries) (2011) - voice
- The Newsroom (2012) – Charlie Skinner
Read more about this topic: Sam Waterston