 | Titans of Destruction: The Evolution of Giant Monster Movies (2021) as Self - (archive footage) |
 | The Fabulous Allan Carr (2017) as Self (archive) |
 | Stardust: The Bette Davis Story (2006) as Self (archive footage) |
 | World of Darkness (1977) as Dr. Thomas Madsen |
 | Thieves (1977) as Street Man |
 | For Liberty and Union (1977) as Self - Narrator (voice) |
 | The Zodiac Murders (1975) |
 | Huckleberry Finn (1974) as Pap |
 | Murder and the Computer (1973) as Gordon Craig |
 | The Murderers (1973) |
 | Pueblo (1973) as Adm. Thomas E. Moorer |
 | Earth II (1971) as Walter Dietrich |
| | Secret of the Sacred Forest (1970) as Mike Parks |
 | Amarsi male (1969) |
 | Then Came Bronson (1969) as Inspector Otis |
 | Più tardi Claire, più tardi... (1968) as George Dennison |
 | The Power (1968) as Mark Corlane |
 | Clambake (1967) as Sam Burton |
 | The Incident (1967) as Douglas McCann |
 | Hondo and the Apaches (1967) as General Philip Sheridan |
 | The Last Challenge (1967) as Squint Calloway |
 | The Dangerous Days of Kiowa Jones (1966) as Marshal Duncan |
 | Destination Inner Space (1966) as Dr. LaSatier |
 | In Search of Hart Crane (1966) as Narrator (voice) |
 | Atomic Power Today: Service with Safety (1966) as Narrator |
 | Ride Beyond Vengeance (1966) as Dub Stokes |
 | Around the World Under the Sea (1965) as Dr. August 'Gus' Boren |
 | Catacombs (1965) as Raymond Garth |
 | The Searching Eye (1964) as Narrator |
 | The Paragon (1963) as John Pemberton |
 | A Girl Named Tamiko (1962) as Max Wilson |
 | Mysterious Island (1961) as Gideon Spilitt |
 | The Pleasure of His Company (1961) as James Dougherty |
 | The Great Impostor (1960) as Pa Demara |
 | The Savage Eye (1960) as The Poet |
 | Rhapsody of Steel (1959) as Narrator (voice) |
 | The Wonderful Country (1959) as Major Colton |
 | Crash Landing (1958) as Captain Steve Williams |
 | The Missouri Traveler (1958) as Doyle Magee |
 | If You Knew Elizabeth (1957) as Walter Hubbard |
 | Bermuda Affair (1956) as Bob Scoffield |
 | Navy Wife (1956) as Jack Blain |
 | The Human Jungle (1954) as John Danforth |
 | The Black Dakotas (1954) as Brock Marsh (alias Zachary Paige) |
 | Witness to Murder (1954) as Police Lt. Lawrence Mathews |
 | A Blueprint for Murder (1953) as Fred Sargent |
 | Night Without Sleep (1952) as Richard Morton |
 | The Girl in White (1952) as Dr. Seth Pawling |
 | Phone Call from a Stranger (1952) as David Trask |
 | Decision Before Dawn (1951) as Col. Devlin |
 | Another Man's Poison (1951) as George Bates |
 | Rawhide (1951) as Narrator (voice) (uncredited) |
 | The Frogmen (1951) as Lt. Cmdr. Pete Vincent |
 | All About Eve (1950) as Bill Sampson |
 | Where the Sidewalk Ends (1950) as Tommy Scalise |
 | Mother Didn't Tell Me (1950) as Dr. Peter Roberts |
 | Twelve O'Clock High (1949) as Colonel Keith Davenport |
 | Slattery's Hurricane (1949) as Cmdr E.T. Kramer |
 | Strange Victory (1948) as Narrator |
 | Winged Victory (1944) as Captain McIntyre |
 | This Is the Army (1943) as Backstage MP on Right (uncredited) |
