| Year | Movie | Role | ||
| 1969 | Pit Stop | Grant Willard | ||
| 1968 | Rogue's Gallery |
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| 1967 | Five Golden Dragons | Dragon | ||
| 1967 | Arizona Bushwackers | Maj.Smith | ||
| 1967 | Hostile Guns | Marshal Willett | ||
| 1966 | Waco | Ace Ross | ||
| 1966 | The Fat Spy | Wellington | ||
| 1965 | How to Stuff a Wild Bikini | B.D. | ||
| 1965 | The Curse of the Fly | Henri Delambre | ||
| 1965 | Gammera the Invincible | Gen. Terry Arnold | ||
| 1962 | The Pigeon That Took Rome | Col. Sherman Harrington | ||
| 1961 | The Errand Boy | Mr. T.P. | ||
| 1961 | Girl in Room 13 | Steve Marshall | ||
| 1959 | Never So Few | Gen. Sloane | ||
| 1959 | Juke Box Rhythm | George Manton | ||
| 1958 | Cowboy | Doc Bender | ||
| 1958 | Escape from Red Rock | Bronc Grierson | ||
| 1957 | Quatermass II | Prof. Bernard Quatermass | ||
| 1956 | A Cry in the Night | Bates | ||
| 1955 | The Big Combo | McClure | ||
| 1955 | The Quatermass Xperiment | Prof. Bernard Quatermass | ||
| 1953 | Ride the Man Down | Bide Marriner | ||
| 1953 | The Woman They Almost Lynched | William Quantrill | ||
| 1952 | Hoodlum Empire | Sen. Bill Stephens | ||
| 1951 | Slaughter Trail | Capt. Dempster | ||
| 1951 | Fighting Coast Guard | Cmdr. McFarland | ||
| 1950 | Shakedown | Nick Palmer | ||
| 1950 | Kansas Raiders | William Quantrill | ||
| 1949 | Impact | Walter Williams | ||
| 1949 | The Lucky Stiff | John J. Marlowe | ||
| 1948 | A Southern Yankee | Curt Devlynn | ||
| 1948 | Command Decision | Brig. Gen. Clifton L. Garnet | ||
| 1947 | Heaven Only Knows | Duke | ||
| 1947 | Song of Scheherazade | Captain | ||
| 1947 | The Trouble with Women | Joe McBride | ||
| 1947 | Killer McCoy | Jim Caighn | ||
| 1947 | Kiss of Death | Louie D'Angelo | ||
| 1947 | The Beginning or the End | Maj.-Gen. Leslie R. Groves | ||
| 1946 | The Virginian | Trampas | ||
| 1946 | Canyon Passage | George Camrose | ||
| 1946 | Our Hearts Were Growing Up | Tony Minnetti | ||
| 1946 | Two Years Before the Mast | Richard Henry Dana | ||
| 1945 | Duffy's Tavern | Himself | ||
| 1944 | The Miracle of Morgan's Creek | Governor McGinty | ||
| 1944 | An American Romance | Steve Dangos/Stefan Dangosbiblichek | ||
| 1943 | The City That Stopped | Narrator | ||
| 1943 | Hangmen Also Die! | Dr. Franz Svoboda | ||
| 1942 | Nightmare | Dan Shane | ||
| 1942 | Wake Island | Maj. Caton | ||
| 1942 | The Glass Key | Paul Madvig | ||
| 1942 | A Gentleman After Dark | Harry Melton | ||
| 1942 | Two Yanks in Trinidad | Vince Barrows | ||
| 1942 | The Great Man's Lady | Steely Edwards | ||
| 1942 | The Remarkable Andrew | Gen. Andrew Jackson | ||
| 1942 | Stand by for Action | Lt Comm Martin J Robertson | ||
| 1941 | South of Tahiti | Bob | ||
| 1941 | Birth of the Blues | Memphis | ||
| 1941 | Hold Back the Dawn | Movie actor | ||
| 1941 | Billy the Kid | Jim Sherwood | ||
| 1941 | I Wanted Wings | Capt. Mercer | ||
| 1940 | The Great McGinty | Dan McGinty | ||
| 1940 | When the Daltons Rode | Grat Dalton | ||
| 1940 | Brigham Young | Angus Duncan | ||
| 1939 | Destry Rides Again | Kent | ||
| 1939 | Jesse James | Barshee | ||
| 1939 | Allegheny Uprising | Callendar | ||
| 1939 | Behind Prison Gates | Red Murray | ||
| 1939 | Union Pacific | Sid Campeau | ||
| 1939 | Beau Geste | Sgt. Markoff | ||
| 1938 | In Old Chicago | Gil Warren | ||
| 1938 | Battle of Broadway | Chesty Webb | ||
| 1938 | We're Going to Be Rich | Yankee Gordon | ||
| 1938 | Sharp Shooters | Steve Mitchell | ||
| 1937 | The Crack-Up | Ace Martin | ||
| 1937 | Midnight Taxi | Chick Gardner | ||
| 1937 | This is My Affair | Batiste Duryea | ||
| 1937 | Born Reckless | Bob "Hurry" Kane | ||
| 1936 | Strike Me Pink | Vance | ||
| 1936 | Thirteen Hours by Air | Dr. Evarts | ||
| 1936 | Thirty Six Hours to Kill | Frank Evers | ||
| 1936 | Half Angel | Duffy Giles | ||
| 1936 | High Tension | Steve Reardon | ||
| 1936 | Human Cargo | Packy Campbell | ||
| 1935 | Mary Burns, Fugitive | Spike | ||
| 1935 | The Barbary Coast | Knuckles | ||
| 1935 | Another Face | Broken Nose Dawson | ||
| 1929 | Gentlemen of the Press | Bit | ||
| 1929 | Mother's Boy | Harry O'Day | ||
| 1926 | Man of Quality |
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