Filmography
| Year | Title | Role |
| 1987 | A Gathering of Old Men | Sheriff Mapes |
| 1984 | The Island Against All Odds | Ben Caxton |
| 1979 | Mr. Horn | Al Sieber |
| 1978 | The Swarm | Gen. Slater |
| 1977 | Twilight's Last Gleaming | Gen. Martin MacKenzie |
| 1977 | Rollercoaster | Agent Hoyt |
| 1976 | To the Devil a Daughter | John Verney |
| 1974 | Murder on the Orient Express (1974) | Ratchett/Cassetti |
| 1972 | When The Legends Die | Red Dillon |
| 1969 | Death of a Gunfighter | Marshal Frank Patch |
| 1968 | Madigan | Det. Daniel Madigan |
| 1965 | The Bedford Incident | Captain Eric Finlander U.S.N. |
| 1964 | Cheyenne Autumn | Capt. Thomas Archer |
| 1964 | The Long Ships | Rolfe |
| 1962 | How the West Was Won | Mike King |
| 1961 | Judgment at Nuremberg | Colonel Tad Lawson |
| 1961 | Two Rode Together | First Lt. Jim Gary |
| 1960 | The Alamo | Jim Bowie |
| 1959 | Warlock | Johnny Gannon |
| 1958 | The Law and Jake Wade | Clint Hollister |
| 1957 | Saint Joan | The Dauphin, Charles VII |
| 1957 | Time Limit | Col. William Edwards |
| 1956 | The Last Wagon | Comanche Todd |
| 1955 | The Cobweb | Dr. Stewart "Mac" McIver |
| 1954 | Garden of Evil | Fiske |
| 1954 | Broken Lance | Ben Devereaux |
| 1954 | Hell and High Water | Capt. Adam Jones |
| 1953 | Pickup on South Street | Skip McCoy |
| 1952 | Don't Bother to Knock | Jed Towers |
| 1952 | Red Skies of Montana | Cliff Mason |
| 1951 | The Frogmen | Lt. Cmdr. John Lawrence |
| 1950 | Night and the City (1950) | Harry Fabian |
| 1950 | Panic in the Streets | Lt. Cmdr. Clinton 'Clint' Reed M.D |
| 1950 | No Way Out (1950) | Ray Biddle |
| 1949 | Down to the Sea in Ships | First Mate Dan Lunceford |
| 1949 | Slattery's Hurricane | Lt. Willard Francis Slattery |
| 1948 | Yellow Sky | Dude |
| 1948 | The Street With No Name | Alec Stiles |
| 1947 | Kiss of Death | Tommy Udo |
