Filmography
| Year | Title | Role |
| 2001 | The Majestic | Stan Keller |
| 2000 | Here's to Life! | Gus Corley |
| 1997 | The Relic | Dr. Albert Frock |
| 1994 | The Shawshank Redemption (1995) | Brooks Hatlen |
| 1989 | Glory! Glory! | Lester Babbitt |
| 1987 | Nuts | Judge Stanley Murdoch |
| 1985 | The Adventures of Mark Twain | Mark Twain |
| 1982 | Hail Columbia! | Narrator |
| 1980 | Mark, I Love You | Dwight Hamilton |
| 1978 | Word | George Wheeler |
| 1978 | The Serpent's Egg | The Priest |
| 1975 | Give 'em Hell, Harry! | Harry S. Truman |
| 1975 | I Will Fight No More Forever | General Oliver O. Howard |
| 1974 | Where the Red Fern Grows | Grandpa |
| 1973 | High Crime | Commissioner Aldo Scavino |
| 1972 | Chato's Land | Joshua Everette |
| 1970 | Tora! Tora! Tora! | Vice Adm. William F. 'Bull' Halsey Jr. |
| 1969 | Guns of the Magnificent Seven | Levi |
| 1968 | Planet of the Apes (1968) | President of the Assembly |
| 1968 | Madigan | Chief Inspector Charles Kane |
| 1968 | The Split | Herb Sutro |
| 1967 | Waterhole No. 3 | Capt. Shipley |
| 1960 | Who Was That Lady? | Harry Powell |
| 1957 | The Young Don't Cry | Rudy Krist |
| 1956 | Crime in the Streets | Ben Wagner |
| 1956 | The Eddy Duchin Story | Lou Sherwood |
| 1955 | Oklahoma! (1955) | Carnes |
| 1955 | The Last Frontier | Gus |
| 1955 | Battle Cry | MSgt. Mac/Narrator |
| 1954 | Them! | Police Sgt. Ben Peterson |
| 1954 | The Command (2019) | Sgt. Elliot |
| 1953 | Kiss Me Kate | Slug |
| 1953 | All the Brothers Were Valiant | Fetcher |
| 1953 | Above and Beyond (1952) | Maj. William "Bill" M. Uanna |
| 1950 | UNUSED | Gus Minissi |
| 1950 | The Outriders | Actor |
| 1950 | The Next Voice You Hear | Joe Smith |
| 1950 | Please Believe Me | Vincent Maran |
| 1949 | Battleground (1950) | Kinnie |
