| Way of Tomorrow: The Evolution of Science Fiction Movies (2022) as Self - (archive footage) |
| The Other Side of the Wind (2018) as Pat Mullins |
| Cameraman: The Life and Work of Jack Cardiff (2010) as Oscar Muldoon (archive footage) |
| White Heat: Top of the World (2005) as Self (archive footage) |
| Déjà-Vu (2000) |
| The Wild Bunch: An Album in Montage (1996) as Self (archive footage) |
| Dead Men Don't Wear Plaid (1982) as (in "White Heat") (archive footage) |
| 99 and 44/100% Dead (1974) as Uncle Frank Kelly |
| Lucky Luciano (1973) as Commissioner Harry J. Anslinger |
| Isn't It Shocking? (1973) as Justin Oates |
| They Only Kill Their Masters (1972) as George |
| Jigsaw (1972) as Det. Ed Burtelson |
| What's a Nice Girl Like You...? (1971) as Morton Stillman |
| River of Mystery (1971) as R.J. Twitchell |
| The Intruders (1970) as Col. William Bodeen |
| Dream No Evil (1970) as Timothy MacDonald |
| The Love God? (1969) as Osborn Tremaine |
| The Wild Bunch (1969) as Freddie Sykes |
| The Outsider (1967) as Marvin Bishop |
| Peau d'espion (1967) as Sphax (publisher) |
| Le vicomte règle ses comptes (1967) as Ricco Barone |
| The Doomsday Flight (1966) as The Man |
| Fantastic Voyage (1966) as General Carter |
| The Further Adventures of Gallegher (1965) as Jefferson Crowley |
| Synanon (1965) as Chuck Dederich |
| Sylvia (1965) as Oscar Stewart |
| The Hanged Man (1964) as Arnie Seeger |
| Rio Conchos (1964) as Pardee |
| Seven Days in May (1964) as Sen. Raymond Clark |
| The Longest Day (1962) as Gen. Raymond D. Barton |
| Birdman of Alcatraz (1962) as Tom Gaddis |
| The Man Who Shot Liberty Valance (1962) as Dutton Peabody |
| Moon Pilot (1962) as McClosky aka 'Mac' |
| The Great Impostor (1960) as Capt. Glover - HMCS Cayuga |
| The 3rd Voice (1960) as The Voice |
| The Last Voyage (1960) as Second Engineer Walsh |
| L'Ambitieuse (1959) as Mike Buchanan |
| Up Periscope (1959) as Commander Paul Stevenson |
| Sing Boy Sing (1958) as Joseph Sharkey |
| The World Was His Jury (1958) as David Carson |
| Stopover Tokyo (1957) as George Underwood |
| The Big Land (1957) as Joe Jagger |
| The Comedian (1957) as Al Preston |
| The Girl Can't Help It (1956) as Marty 'Fats' Murdock |
| The Rack (1956) as Lt. Col. Frank Wasnick |
| A Cry in the Night (1956) as Dan Taggart |
| D-Day the Sixth of June (1956) as Lt. Col. Alexander Timmer |
| A Ticket for Thaddeus (1956) |
| 1984 (1956) as Winston Smith of the Outer Party |
| Pete Kelly's Blues (1955) as Fran McCarg |
| Dark Stranger (1955) as Ray Ericson |
| The Barefoot Contessa (1954) as Oscar Muldoon |
| The Shanghai Story (1954) as Daniel Maynard |
| Shield for Murder (1954) as Det. Lt. Barney Nolan |
| The Bigamist (1953) as Harry Graham / Harrison Graham |
| China Venture (1953) as Capt. Matt Reardon |
| Julius Caesar (1953) as Casca |
| Cow Country (1953) as Ben Anthony |
| Man in the Dark (1953) as Steve Rawley |
| The Hitch-Hiker (1953) as Roy Collins |
| The Turning Point (1952) as John Conroy |
| Denver and Rio Grande (1952) as Jim Vesser |
| The Greatest Show on Earth (1952) as Midway Barker at End (uncredited) |
| Silver City (1951) as Larkin Moffat |
| Warpath (1951) as John Vickers |
| Two of a Kind (1951) as Michael "Lefty" Farrell |
| The Redhead and the Cowboy (1951) as Maj. Dunn Jeffers (Union intelligence officer) |
| Between Midnight and Dawn (1950) as Officer Dan Purvis |
| The Admiral Was a Lady (1950) as Jimmy Stevens |
| 711 Ocean Drive (1950) as Mal Granger |
| Backfire (1950) as Steve Connolly |
| D.O.A. (1949) as Frank Bigelow |
| Under Capricorn (1949) as Narrator (voice) (uncredited) |
| White Heat (1949) as Vic Pardo |
| Task Force (1949) as Radio Announcing Pearl Harbor Attack (voice) (uncredited) |
| An Act of Murder (1948) as David Douglas |
| Fighter Squadron (1948) as Maj. Ed Hardin |
| For the Love of Mary (1948) as Lt. Tom Farrington |
| Another Part of the Forest (1948) as Benjamin Hubbard |
| A Double Life (1947) as Bill Friend |
| Something in the Wind (1947) as Lt. Tom Farrington |
| The Web (1947) as Bob Regan |
| The Killers (1946) as Jim Reardon |
| Winged Victory (1944) as Irving Miller |
| The Amazing Mrs. Holliday (1943) as Tom Holliday |
| Powder Town (1942) as J. Quincy 'Penji' Pennant |
| Obliging Young Lady (1942) as 'Red' Reddy, aka Professor Stanley |
| Parachute Battalion (1941) as William Mayberry Burke |
| A Girl, a Guy, and a Gob (1941) as Stephen Herrick |
| The Hunchback of Notre Dame (1939) as Gringoire |
| Man-Trap Director |
| Shield for Murder Director |