| Year | Title | Role | Notes |
| 1945 | Boston Blackie Booked on Suspicion | Jack Higgins | Alternative title: Booked on Suspicion |
| 1945 | Wonder Man | Ten Grand Jackson | |
| 1945 | Boston Blackie's Rendezvous | Jimmy Cook | Alternative title: Blackie's Rendezvous |
| 1945 | The Gay Senorita | Tomas Obrion aka Tim O'Brien | |
| 1946 | The Kid from Brooklyn | Speed McFarlane | |
| 1946 | The Chase | Eddie Roman | |
| 1946 | The Best Years of Our Lives | Cliff | Alternative titles: Glory for Me and Home Again |
| 1947 | Copacabana | Steve Hunt | |
| 1948 | A Song Is Born | Tony Crow | Alternative title: That's Life |
| 1949 | White Heat | Big Ed Somers | |
| 1950 | The Damned Don't Cry | Nick Prenta | |
| 1950 | Highway 301 | George Legenza | |
| 1950 | Dallas | Bryant Marlow | |
| 1951 | Storm Warning | Hank Rice | |
| 1951 | Raton Pass | Cy Van Cleave | Alternative title: Canyon Pass |
| 1951 | Inside the Walls of Folsom Prison | Chuck Daniels | |
| 1951 | Tomorrow Is Another Day | Bill Clark / Mike Lewis | |
| 1951 | Jim Thorpe – All-American | Peter Allendine | Alternative title: Man of Bronze |
| 1951 | The Tanks Are Coming | Francis Aloysius 'Sully' Sullivan | |
| 1952 | The Lion and the Horse | Ben Kirby | |
| 1952 | Operation Secret | Marcel Brevoort | |
| 1953 | She's Back on Broadway | Rick Sommers | |
| 1953 | The Desert Song | Captain Claude Fontaine | |
| 1953 | Shark River | Dan Webley | |
| 1953 | Back to God's Country | Paul Blake | |
| 1954 | Carnival Story | Joe Hammond | |
| 1954 | Private Hell 36 | Cal Bruner | |
| 1956 | Come Next Spring | Matt Ballot | |
| 1956 | The Weapon | Mark Andrews | |
| 1957 | Slander | Manley | |
| 1957 | Il Grido | Aldo | |
| 1958 | Quantrill's Raiders | Capt. Alan Wescott | |
| 1959 | I Mobster | Joe Sante | |
| 1959 | The Beat Generation | Dave Culloran | |
| 1959 | The Big Operator | Bill Gibson | Alternative title: Anatomy of the Syndicate |
| 1959 | The Twilight Zone | Fred Renard | Season 1 Episode 12 (“What You Need”) |
| 1961 | The Deadly Companions | Billy Keplinger | |
| 1962 | The Virginian (TV Series) | Jamie Dobbs | season 1 episode 10 ("West") |
| 1963 | Of Love and Desire | Steve Corey | |
| 1965 | Mozambique | Brad Webster | |
| 1965 | Bonanza (TV Series) | Burk Shannon | season 6 episode 26 ("The Trap") |
| 1967 | Tell Me in the Sunlight | Dave | Filmed in 1965; released posthumously (final film role) |