Sakharov as Andrei Sakharov
2017
Arthur Miller: Writer as Self (archive footage)
2017
The Newspaperman: The Life and Times of Ben Bradlee as Self (archive footage)
2016
All Governments Lie: Truth, Deception, and the Spirit of I.F. Stone as Ben Bradlee (archive footage)
2014
And the Oscar Goes To... as Self (archive footage)
2006
Metallica: The Videos 1989-2004 as Joe's Father (video "One")
2006
Eugene O’Neill: A Documentary Film as Self
2004
Sam Peckinpah's West: Legacy of a Hollywood Renegade as Self (archive footage)
2000
Going Home as Charles Barton
2000
That Moment: Magnolia Diary as Self
2000
Once Upon a Time: Sergio Leone as Self (archive footage)
1999
Magnolia as Earl Partridge
1999
My Best Fiend as Self (archive footage)
1998
Enemy of the State as Congressman Phillip Hammersley (uncredited)
1998
Beloved as Mr. Bodwin
1998
The Real Macaw as Grandpa Girdis
1998
Heartwood as Logan Reeser
1997
Truman as Narrator (voice)
1997
A Thousand Acres as Larry Cook
1996
T.R.: The Story of Theodore Roosevelt as Narrator
1996
The West as Self - Brigham Young (9 episodes)
1995
Crimson Tide as Rear Admiral Anderson (uncredited)
1995
My Antonia as Josea Burden
1995
The Great American West as Narrator (voice)
1994
Baseball as Various (voice) (9 episodes)
1994
The Enemy Within as General R. Pendleton Lloyd
1994
Little Big League as Thomas Heywood
1994
The Paper as Graham Keighley
1994
Over Washington D.C.: Our Nation's Capital as Narrator
1993
La Classe américaine as The Newspaper Director (archive footage)
1993
Heidi as Grandfather (2 episodes)
1993
Sam Peckinpah: Man of Iron as Self
1993
The Trial as Doctor Huld
1993
The Adventures of Huck Finn as The King
1992
Lincoln as President Abraham Lincoln (voice)
1992
The Peoples Palace: Secrets of the New York Public Library as Narrator
1992
Storyville as Clifford Fowler
1992
Deceptions as Clay (voice)
1991
Mark Twain and Me as Mark Twain
1991
Empire of the Air: The Men Who Made Radio as Narrator (voice)
1991
Rabbit Ears - Jonah and the Whale as Narrator (voice)
1991
An Inconvenient Woman as Jules Mendelson (2 episodes)
1991
Chernobyl: The Final Warning as Dr. Armand Hammer
1991
The Perfect Tribute as President Abraham Lincoln
1990
The Civil War as Ulysses S. Grant (9 episodes)
1990
Quick Change as Chief Rotzinger
1990
Night of 100 Stars III as Self
1989
Black Rainbow as Walter Travis
1989
Thomas Hart Benton as Narrator (voice)
1989
Parenthood as Frank Buckman
1989
Reunion as Henry Strauss
1989
Dream a Little Dream as Coleman Ettinger
1988
The Christmas Wife as John Tanner
1988
The Good Mother as W. O. Muth
1988
American Experience as Narrator (voice) (7 episodes)
1988
Bright Lights, Big City as Mr. Hardy (uncredited)
1988
Inherit the Wind as Harry Drummond
1987
Breaking Home Ties as Lloyd Wells
1987
Laguna Heat as Wade Shephard
1987
Square Dance as Dillard
1986
The Last Frontier as Ed Stenning (2 episodes)
1986
Johnny Bull as Stephan Kovacs
1986
Portrait: Werner Herzog as Self (archive footage)
1985
The Long Hot Summer as Will Varner (2 episodes)
1985
Empire City as Self - Narrator (voice)
1985
The Atlanta Child Murders as Alvin Binder (2 episodes)
1984
The World of Tomorrow as Self / Narrator
1984
You Can't Take it With You as Grandpa Martin Vanderhof
1984
America and Lewis Hine as Voice
1983
The Day After as Dr. Russell Oakes
1983
The Time of Our Lives: The Most Amazing 60 Years in History as Self - Host
1983
Reading Rainbow as Himself - Narrator (voice) (1 episode)
1983
Something Wicked This Way Comes as Charles Halloway
1983
Max Dugan Returns as Max Dugan
1982
Burden of Dreams as Fitzcarraldo (archive footage)
1982
Night of 100 Stars as Self
1981
The Legend of the Lone Ranger as President Ulysses S. Grant
1980
Melvin and Howard as Howard Hughes
1980
Raise the Titanic as Admiral James Sandecker
1980
F.D.R.: The Last Year as President Franklin D. Roosevelt
1980
Haywire as Leland Hayward
1980
Cabo Blanco as Gunther Beckdorff
1979
Broadway on Showtime as Erie Smith (1 episode)
1979
Hurricane as Capt. Charles Bruckner
1978
The Kennedy Center Honors as Self (1 episode)
1978
A Christmas to Remember as Daniel Larson
1978
The Magic of David Copperfield (1 episode)
1978
Comes a Horseman as Jacob 'J.W.' Ewing
1977
Julia as Dashiell Hammett
1977
Washington: Behind Closed Doors as President Richard Monckton (6 episodes)
1976
The Spy Who Never Was as Inspector Barkan
1976
All the President's Men as Ben Bradlee
1976
Addie and the King of Hearts as James "Jamie" Mills
1975
Mr. Sycamore as John Gwilt
1975
A Moon for the Misbegotten as James Tyrone Jr.
1975
The Easter Promise as James "Jamie" Mills
1975
A Boy and His Dog as Lou Craddock
1974
The Country Girl as Frank Elgin
1973
The Thanksgiving Treasure as James "Jamie" Mills
1973
Pat Garrett & Billy the Kid as Governor Wallace
1973
Old Faithful as Himself
1972
The House Without a Christmas Tree as James "Jamie" Mills
1972
Ghost Story as Elliot Brent (1 episode)
1972
The War Between Men and Women as Stephen Kozlenko
1971
Johnny Got His Gun as Joe's Father
1971
Murders in the Rue Morgue as Cesar Charron
1970
Fools as Matthew South
1970
Julius Caesar as Marcus Brutus
1970
The Ballad of Cable Hogue as Cable Hogue
1970
Operation Snafu as Sam Armstrong
1970
Tora! Tora! Tora! as General Walter C. Short
1968
The Night They Raided Minsky's as Raymond Paine
1968
Once Upon a Time in the West as 'Cheyenne'
1968
Isadora as Paris Singer
1968
The Dick Cavett Show as Self - Guest (1 episode)
1967
Hour of the Gun as Doc Holliday
1967
The Belle of 14th Street as Self
1967
The St. Valentine's Day Massacre as Al Capone
1967
Divorce American Style as Nelson Downes
1967
The Strange Case of Dr. Jekyll and Mr. Hyde as Dr. Henry Jekyll / Mr. Edward Hyde
1966
Noon Wine as Royal Earle Thompson
1966
Any Wednesday as John Cleves
1966
ABC Stage 67 as Royal Earle Thompson (1 episode)
1966
A Big Hand for the Little Lady as Henry Drummond
1966
The Face of Genius as Narrator (voice)
1965
A Thousand Clowns as Murray
1964
Abe Lincoln in Illinois as Abraham Lincoln
1963
Act One as George S. Kaufman
1963
Bob Hope Presents the Chrysler Theatre (1 episode)
1963
The Danny Kaye Show as Self (1 episode)
1962
Long Day's Journey Into Night as Jamie Tyrone
1962
Tender Is the Night as Dick Diver
1961
By Love Possessed as Julius Penrose
1960
The Iceman Cometh as Theodore "Hickey" Hickman
1960
The Bat as Detective Anderson
1959
A Doll's House as Dr. Rank
1959
Play of the Week (1 episode)
1959
For Whom the Bell Tolls as Robert Jordan
1959
The Journey as Paul Kedes
1956
Playhouse 90 as Robert Jordan (2 episodes)
1956
Tony Awards as Self - Host (1 episode)
1956
Tony Awards as Self - Presenter (1 episode)
1955
The Alcoa Hour as Bert Palmer (1 episode)
1953
The Oscars as Self (2 episodes)
1953
General Electric Theater as Col. Carter (1 episode)
1951
Hallmark Hall of Fame as Abe Lincoln (1 episode)
1951
Hallmark Hall of Fame as Dr. Rank (1 episode)
1951
Hallmark Hall of Fame as Frank Elgin (1 episode)
1951
Hallmark Hall of Fame as Marcus (1 episode)
1950
What's My Line? as Self - Mystery Guest (1 episode)
1948
Studio One as Frank Cameron (1 episode)
1948
Studio One as Leonard O'Brien (1 episode)
1948
Studio One as Prisoner (1 episode)
1948
Studio One as Walter Osgood (1 episode)
1948
The Philco Television Playhouse as Joe Grant (1 episode)
1948
The Philco Television Playhouse as Mason (1 episode)
1948
The Ed Sullivan Show as Self (1 episode)