Filmography
| Year | Title | Role |
| 1959 | Alias Jesse James | Cowboy |
| 1959 | The Hanging Tree | Dr. Joseph "Doc" Frail |
| 1959 | They Came to Cordura | Maj. Thomas Thorn |
| 1958 | Man of the West | Link Jones |
| 1957 | Love in the Afternoon | Frank Flannagan |
| 1956 | Friendly Persuasion | Jess Birdwell |
| 1955 | The Court-Martial of Billy Mitchell | Col. Billy Mitchell |
| 1954 | Garden of Evil | Hooker |
| 1954 | Vera Cruz | Benjamin Trane |
| 1952 | High Noon (1952) | Marshal Will Kane |
| 1951 | Distant Drums | Capt. Quincy Wyatt |
| 1949 | The Fountainhead | Howard Roark |
| 1949 | It's a Great Feeling | Self |
| 1949 | Task Force | Jonathan L. Scott |
| 1948 | Good Sam | Samuel R. `'Sam'` Clayton |
| 1947 | Unconquered | Capt. Christopher Holden |
| 1945 | Along Came Jones | Melody Jones |
| 1945 | Saratoga Trunk | Colonel Clint Maroon |
| 1943 | For Whom the Bell Tolls | Robert Jordan |
| 1942 | The Pride of the Yankees | Lou Gehrig |
| 1941 | Meet John Doe | John Doe/Long John Willoughby |
| 1941 | Sergeant York | Alvin C. York |
| 1941 | Ball of Fire | Prof. Bertram Potts |
| 1940 | The Westerner | Cole Harden |
| 1939 | The Real Glory | Dr. Bill Canavan |
| 1939 | Beau Geste (1966) | Michael "Beau" Geste |
| 1938 | Bluebeard's Eighth Wife | Michael Brandon |
| 1938 | The Cowboy and the Lady | Stretch Willoughby |
| 1937 | Souls at Sea | `'Nuggin'` Taylor |
| 1936 | Desire | Tom Bradley |
| 1936 | Mr. Deeds Goes to Town | Longfellow Deeds/Cinderella Man |
| 1935 | The Lives of a Bengal Lancer | Lt. Alan McGregor |
| 1935 | Peter Ibbetson | Peter Ibbetson |
| 1933 | Design for Living | George Curtis |
| 1933 | Today We Live | Bogard |
| 1932 | A Farewell to Arms (1932) | Lt. Frederic Henry |
| 1932 | If I Had a Million | Steve Gallagher |
| 1932 | The Devil and the Deep | Lieutenant Sempter |
| 1931 | I Take This Woman | Tom McNair |
| 1931 | City Streets | The Kid |
| 1931 | Fighting Caravans | Clint Belmet |
| 1930 | Morocco (1930) | Légionnaire Tom Brown |
| 1929 | The Virginian | The Virginian |
| 1929 | The Wolf Song | Sam Lash |
| 1928 | Lilac Time | Capt. Philip Blythe |
| 1927 | It (1927) | Newspaper Reporter (uncredited) |
| 1927 | Wings | Cadet White |
| 1927 | Children of Divorce | Ted Larrabee |
| 1926 | The Winning of Barbara Worth | Abe Lee |
| 1926 | Old Ironsides | Actor |
