Credits

• 2024 · The Six Triple Eight as
• 2024 · Merchant Ivory as Self
• 2024 · A Case for Love as Self
• 2023 · Liv Ullmann: A Road Less Travelled as Self
• 2022 · The Dropout as George Shultz
• 2021 · Kurt Vonnegut: Unstuck in Time as Self (voice)
• 2020 · The Man in the Woods as Headmaster Waldorf
• 2020 · Gatsby in Connecticut: The Untold Story as Self
• 2018 · On the Basis of Sex as Erwin Griswold
• 2018 · The Mayo Clinic as Charlie Mayo
• 2018 · Jane Fonda in Five Acts as Self - Actor
• 2017 · Godless as Marshall John Cook
• 2017 · Monkey Business: The Adventures of Curious George's Creators as Narrator (voice)
• 2017 · Dateline: Saigon as Narrator (voice)
• 2016 · Miss Sloane as George Dupont
• 2016 · Anesthesia as Prof. Walter Zarrow
• 2015 · The Late Show with Stephen Colbert as Self
• 2015 · And It Was Good as Judge Alexander Baas / Doctor / Gravedigger
• 2015 · Grace and Frankie as Sol Bergstein
• 2015 · Dean Smith as Narrator
• 2015 · Please Be Normal as Dad
• 2013 · Jo as
• 2012 · The Newsroom as Charlie Skinner
• 2011 · Prohibition as Reader (voice)
• 2010 · The Rally to Restore Sanity and/or Fear as Self
• 2007 · Masters of Science Fiction as
• 2006 · The Best of The Tony Awards: The Plays as John Honeyman (segment "A Walk in the Woods")
• 2005 · The Colbert Report as
• 2005 · Law & Order: Trial by Jury as Jack McCoy
• 2003 · The Commission as J. Lee Rankin
• 2003 · Le Divorce as Chester Walker
• 2002 · The Matthew Shepard Story as Dennis Shepard
• 2000 · A House Divided as David Dickson
• 1999 · The Unfinished Journey as Narrator (voice)
• 1999 · Law & Order: Special Victims Unit as Jack McCoy
• 1999 · In Bad Taste as Self
• 1999 · Moment of Impact: Stories of the Pulitzer Prize Photographs as Self / Host / Narrator
• 1999 · Family Guy as Bruce Kaplan (voice)
• 1998 · Exiled as Jack McCoy
• 1998 · Miracle at Midnight as Dr. Karl Koster
• 1997 · Lewis & Clark - The Journey of the Corps of Discovery as Thomas Jefferson (voice)
• 1997 · The View as Self
• 1997 · The View as Self - Guest
• 1997 · Thomas Jefferson as Thomas Jefferson (voice)
• 1997 · Shadow Conspiracy as The President
• 1996 · The Proprietor as Harry Bancroft
• 1995 · Nixon as Richard Helms
• 1995 · The Journey of August King as Mooney Wright
• 1995 · Amazing Stories: The Movie IV as (archive footage)
• 1995 · Time Life's Lost Civilizations as Narrator
• 1994 · Tennessee Williams: Orpheus of the American Stage as Tom Wingfield (archive footage)
• 1994 · The Enemy Within as President William Foster
• 1994 · Serial Mom as Eugene Sutphin
• 1994 · David's Mother as John Nils
• 1994 · Assault at West Point: The Court-Martial of Johnson Whittaker as Daniel Chamberlain
• 1993 · I'll Fly Away: Then and Now as Forrest Bedford
• 1993 · Homicide: Life on the Street as
• 1993 · A Captive in the Land as Royce
• 1992 · Earth and the American Dream as Reader (voice)
• 1992 · HBO First Look as
• 1991 · Mindwalk as Jack Edwards
• 1991 · I'll Fly Away as Forrest Bedford
• 1991 · The Man in the Moon as Matthew Trant
• 1990 · The Civil War as Abraham Lincoln
• 1990 · Law & Order as Jack McCoy
• 1990 · Night of 100 Stars III as Self
• 1989 · The Nightmare Years as Bill Shirer
• 1989 · Crimes and Misdemeanors as Ben
• 1989 · Welcome Home as Woody
• 1989 · Lantern Hill as Andrew Stuart
• 1989 · Tales from the Crypt as G.G. Devoe
• 1988 · Terrorist on Trial: The United States vs. Salim Ajami as Prosecutor
• 1988 · Lincoln as Abraham Lincoln
• 1988 · A Walk in the Woods as John Honeyman
• 1987 · September as Peter
• 1987 · Devil's Paradise as Jones
• 1987 · Swimming to Cambodia as Additional cast from 'The Killing Fields' (archive footage)
• 1987 · The Room Upstairs as Travis Coles
• 1986 · Flagrant désir as Inspecteur Gerry Morrison
• 1986 · Just Between Friends as Harry Crandall
• 1986 · The Fifth Missile as Capt. Allard Renslow
• 1986 · Hannah and Her Sisters as David (uncredited)
• 1985 · Amazing Stories as Jordan Manmouth
• 1985 · Warning Sign as Cal Morse
• 1985 · Love Lives On as Bernie
• 1985 · Finnegan Begin Again as Paul Broadbent
• 1984 · The Killing Fields as Sydney Schanberg
• 1984 · The Boy Who Loved Trolls as Ofoeti
• 1984 · Jeopardy! as
• 1983 · Dempsey as Doc Kearns
• 1983 · In Defense of Kids as Paul Wilcox
• 1982 · Games Mother Never Taught You as David Bentells
• 1982 · Q.E.D. as
• 1980 · Heaven's Gate as Frank Canton
• 1980 · Friendly Fire as C.D.B. Bryan
• 1980 · Oppenheimer as Robert Oppenheimer
• 1980 · Hopscotch as Jack Cutter
• 1980 · Sweet William as William McClusky
• 1979 · Eagle's Wing as White Bull
• 1978 · Interiors as Mike
• 1977 · Capricorn One as Lt. Col. Peter Willis
• 1976 · Sweet Revenge as Le Clerq
• 1975 · Saturday Night Live as Self - Cameo (uncredited)
• 1975 · Journey into Fear as Mr. Graham
• 1975 · Rancho Deluxe as Cecil Colson
• 1975 · People's Choice Awards as Self - Presenter
• 1974 · Reflections of Murder as Michael Elliott
• 1974 · The Great Gatsby as Nick Carraway
• 1973 · The Glass Menagerie as Tom Wingfield
• 1973 · Much Ado About Nothing as Benedick
• 1972 · Mahoney's Last Stand as Felix
• 1972 · Savages as James, the Limping Man
• 1971 · Who Killed Mary Whats'ername? as Alex Monte
• 1970 · Cover Me Babe as Cameraman
• 1969 · Three as Taylor
• 1969 · Generation as Desmond
• 1967 · Fitzwilly as Oliver
• 1966 · The Plastic Dome of Norma Jean as Andy
• 1961 · Dr. Kildare as Mark
• 1951 · Hallmark Hall of Fame as Travis Coles
• Future · Rain Falls from Earth: Surviving Cambodia's Darkest Hour as Self (voice)