Commission, The (2002)
Matthew Shepard Story, The (2002) (TV) .... Dennis Shepard
In Bad Taste (2000) .... Himself
House Divided, A (2000) (TV) .... David Dickson
Unfinished Journey, The (1999) (voice) .... Narration
Exiled (1998) (TV) .... Executive ADA Jack McCoy
... aka Exiled: A Law & Order Movie (1998) (TV) (USA: promotional title)
Miracle at Midnight (1998) (TV) .... Dr. Karl Koster
"Thomas Jefferson" (1997) (mini) (voice) .... Thomas Jefferson
Lewis & Clark: The Journey of the Corps of Discovery (1997) (TV) (voice) .... Thomas Jefferson
Liv Ullmann scener fra et liv (1997)
Shadow Conspiracy (1997) .... President
Proprietor, The (1996) .... Harry Bancroft
... aka Propriétaire, La (1996) (France)
"Visionaries, The" (1995) .... Host/narrator
Nixon (1995) (scenes deleted) .... Richard Helms, CIA Director
Journey of August King, The (1995) .... Mooney Wright
"Lost Civilizations" (1995) .... Host/Narrator
"Law & Order" (1990) .... Executive ADA Jack McCoy (1994-)
Gala for the President at Ford's Theatre, A (1994) (TV) .... Himself
Serial Mom (1994) .... Eugene Sutphin, D.D.S.
David's Mother (1994) (TV) .... John Nils
Assault at West Point: The Court-Martial of Johnson Whittaker (1994) (TV) .... Daniel Chamberlain ... aka Assault at Westpoint (1994) (TV) (USA: short title)
Enemy Within, The (1994) (TV) .... President William Foster
Dog Race in Alaska, A (1993)
I'll Fly Away: Then and Now (1993) (TV) .... Forrest Bedford
"Warburg: A Man of Influence" (1991) (mini)
Man in the Moon, The (1991) .... Matthew Trant
"I'll Fly Away" (1991) .... D.A. Forrest Bedford
Captive in the Land, A (1990) .... Royce
Lantern Hill (1990) (TV) .... Andrew Stuart ... aka Jane of Lantern Hill (1990) (TV)
"Civil War, The" (1990) (mini) (voice) .... President Abraham Lincoln ... aka "American Civil War, The" (1990) (mini) (UK)
Mindwalk (1990) .... Jack Edwards
"Nightmare Years, The" (1989) (mini) .... Bill Shirer
Crimes and Misdemeanors (1989) .... Ben
Welcome Home (1989) .... Woody
Hostile Witness (1988) .... Jim Delmore
Lincoln (1988) (TV) .... Abraham Lincoln ... aka Gore Vidal's Lincoln (1988) (TV)
Terrorist on Trial: The United States vs. Salim Ajami (1988) (TV) .... James Delmore
Teufels Paradies, Des (1987) .... Mr. Jones ... aka Devil's Paradise (1987) (USA)
September (1987) .... Peter
Swimming to Cambodia (1987) (archive footage) .... Additional cast from 'The Killing Fields' ... aka Spalding Gray's Swimming to Cambodia (1987) (USA: complete title)
Room Upstairs, The (1987) (TV) .... Travis Coles
Just Between Friends (1986) .... Harry Crandall
Fifth Missile, The (1986) (TV) .... Allard Renslow ... aka Operation Fire (1986) (TV) (Europe: video box title English title)
Hannah and Her Sisters (1986) (uncredited) .... David Tolchin
Flagrant désir (1985) .... Gerry Morrison ... aka Certain Desire, A (1985) ... aka Flagrant Desire (1985) ... aka Trade Secrets (1985) (USA: TV title)
Warning Sign (1985) .... Cal Morse
Love Lives On (1985) (TV) .... Bernie
Finnegan Begin Again (1985) (TV) .... Paul Broadbent
Killing Fields, The (1984) .... Sydney Schanberg
Boy Who Loved Trolls, The (1984) (TV) .... Ofoeti
Dempsey (1983) (TV) .... Doc Kearns
In Defense of Kids (1983) (TV) .... Paul
"Freedom to Speak" (1982) (mini) .... Theodore Roosevelt
Games Mother Never Taught You (1982) (TV) .... David Bentells
"Q.E.D." (1982) .... Quentin E. Deverill ... aka "Mastermind" (1982)
Heaven's Gate (1980) .... Frank Canton ... aka Johnson County Wars (1980)
"Oppenheimer" (1980) (mini) .... J. Robert Oppenheimer
Hopscotch (1980) .... Cutter
Sweet William (1980) .... William
Eagle's Wing (1979) .... White Bull
Friendly Fire (1979) (TV) .... C.D.B. Bryan
Capricorn One (1978) .... Lieutenant Colonel Peter Willis
Interiors (1978) .... Mike
Sweet Revenge (1977/I) .... Le Clerq
Journey Into Fear (1975) .... Mr. Graham
... aka Burn Out (1975)
Rancho Deluxe (1975) .... Cecil Colson
Reflections of Murder (1974) (TV) .... Michael Elliott
Great Gatsby, The (1974) .... Nick Carraway, Wall St. Bond Salesman/Narrator
Glass Menagerie, The (1973) (TV) .... Tom Wingfield
Much Ado About Nothing (1973/I) (TV) .... Benedick
Mahoney's Estate (1972) .... Felix ... aka Mahoney's Last Stand (1972) (Canada: English title) Savages (1972) .... James, the limping man
Who Killed Mary What's 'Er Name? (1971) .... Alex ... aka Death of a Hooker (1971)
Cover Me Babe (1970) .... Cameraman ... aka Run Shadow Run (1970)
Three (1969/I) .... Taylor
Generation (1969) .... Desmond
... aka Time for Caring, A (1969)
... aka Time for Giving, A (1969) (UK)
Fitzwilly (1967) .... Oliver ... aka Fitzwilly Strikes Back (1967) (UK) ... aka Garden of Cucumbers, A (1967)
Plastic Dome of Norma Jean, The (1965) .... Andy
"Family Guy" (1999) playing "Dr. Kaplan" (voice) in episode: "Road To Rhode Island" (episode # 2.13) 30 May 2000
"Family Guy" (1999) playing "Dr. Kaplan" in episode: "Brian In Love" (episode # 1.11) 7 March 2000
"Law & Order: Special Victims Unit" (1999) playing "Exec. Asst. D.A. Jack McCoy" in episode: "Entitled: Part 1" (episode # 1.15) 18 February 2000
"Homicide: Life on the Street" (1993) playing "Exec. Asst. D.A. Jack McCoy" in episode: "Sideshow: Part 2" (episode # 7.15) 19 February 1999
"Great Books" (1993) playing "Interview" in episode: "The Great Gatsby" 1999
"Homicide: Life on the Street" (1993) playing "Exec. Asst. D.A. Jack McCoy" in episode: "Baby, It's You: Part 2" (episode # 6.5) 14 November 1997
"Tales from the Crypt" (1989) playing "G.G. Devoe" in episode: "As Ye Sow" (episode # 5.2) 2 October 1993
"Amazing Stories" (1985) playing "Jordan Manmouth" in episode: "Mirror, Mirror ..." (episode # 1.19) 9 March 1986
"Dr. Kildare" (1961) playing "Mark" in episode: "Enough La Boheme for Everybody" (episode # 5.8) 11 October 1965
"Dr. Kildare" (1961) playing "Mark" in episode: "Life in the Dance Hall" (episode # 5.6) 28 September 1965