| The Conqueror: Hollywood Fallout (2024) as Self (archive footage) |
| The Box (2009) as Self (voice) (uncredited) |
| Hudson Hawk (1991) as Narrator (voice) |
| Daws Butler: Voice Magician (1987) as Self—Host |
| Vengeance: The Story of Tony Cimo (1986) as Jim Dunn |
| Killing Cars (1986) as Mr. Mahoney |
| In Like Flynn (1985) as Sgt. Dominic |
| Blitz (1985) as Mr. Mahoney |
| The Mikado (1983) as The Mikado |
| Shock-Trauma (1982) as Dr. R. Adams Cowley |
| Dead Men Don't Wear Plaid (1982) as (in "The Killers") (archive footage) |
| Side Show (1981) as Ring Announcer (voice) |
| The Return of Frank Cannon (1980) as Frank Cannon |
| Turnover Smith (1980) as Thaddeus Smith |
| The Return of the King (1980) as Lord Denethor (voice) |
| The Murder That Wouldn't Die (1980) as William Battles |
| Buck Rogers in the 25th Century (1979) as Opening Narrator / Draconian officer (uncredited) (voice) |
| Keefer (1978) as Col. Keefer |
| Night Cries (1978) as Dr. Whelan |
| The Making of Star Wars (1977) as Narrator (voice) |
| Moonshine County Express (1977) as Jack Starkey |
| Catastrophe (1977) as Narrator (voice) |
| The Force of Evil (1977) as Narrator (voice) |
| The City (1977) as Narrator (voice) |
| The Macahans (1976) as Narrator (voice) (uncredited) |
| Attack on Terror: The FBI vs. the Ku Klux Klan (1975) as Narrator (voice) (uncredited) |
| The F.B.I. Story: The FBI Versus Alvin Karpis, Public Enemy Number One (1974) as Narrator (voice) |
| Hamburgers (1974) as self |
| Voices (1974) as Narrator (voice) |
| O'Hara, United States Treasury: Operation Cobra (1971) as Keegan |
| Cannon (1971) as Frank Cannon |
| The D.A.: Conspiracy to Kill (1971) as Chief Vincent Kovac |
| The Brotherhood of the Bell (1970) as Bart Harris |
| Chisum (1970) as Narrator - Opening Credits (voice) (uncredited) |
| Countdown (1967) as TV Newscaster (voice) (uncredited) |
| Chamber of Horrors (1966) as Narrator (voice) (uncredited) |
| Battle of the Bulge (1965) as Narrator (uncredited) |
| Battle of the Bulge (1965) as Narrator (voice) |
| Brainstorm (1965) as Mental Patient (uncredited) |
| Two on a Guillotine (1965) as Fat Man in Hall of Mirrors (uncredited) |
| Eggs Benedict (1965) as Narrator |
| Design for Disaster (1962) as Narrator |
| -30- (1959) as Jim Bathgate |
| Zero Hour! (1957) as Narrator (voice) (uncredited) |
| The Ride Back (1957) as Sheriff Chris Hamish |
| Johnny Concho (1956) as Tallman |
| The Conqueror (1956) as Kasar |
| The Naked Sea (1955) as Narrator |
| 5 Against the House (1955) as Eric Berg |
| The Naked Jungle (1954) as Commissioner |
| The Desert Song (1953) as Lachmed |
| Cry of the Hunted (1953) as Goodwin |
| Lone Star (1952) as Mizette |
| The Racket (1951) as Turk |
| The Sword of Monte Cristo (1951) as Major Nicolet |
| Cry Danger (1951) as Louie Castro |
| Dial 1119 (1950) as Chuckles |
| The Milkman (1950) as Mike Morrel |
| One Way Street (1950) as Ollie |
| East Side, West Side (1949) as Lt. Jacobi |
| Tension (1949) as Lt. Edgar Gonsales |
| Any Number Can Play (1949) as Frank Sistina |
| Joan of Arc (1948) as Guillaume Erard, a Prosecutor |
| To the Victor (1948) as Farnsworth |
| Sorry, Wrong Number (1948) as Morano |
| Four Faces West (1948) as Sheriff Egan |
| Arch of Triumph (1948) as Policeman at Accident (uncredited) |
| Body and Soul (1947) as Quinn |
| The Killers (1946) as Max |
| Pillow to Post (1945) as First Motorcycle Cop (uncredited) |
| Side Show Director |
| Side Show Songs |
| Turnover Smith Executive Producer |
| The Learning Tree Executive Producer |
| Assignment to Kill Executive Producer |
| Chubasco Producer |
| Countdown Executive Producer |
| The Cool Ones Executive Producer |
| First to Fight Executive Producer |
| An American Dream Producer |
| Brainstorm Director |
| Brainstorm Producer |
| My Blood Runs Cold Director |
| My Blood Runs Cold Producer |
| Two on a Guillotine Director |
| Two on a Guillotine Producer |
| The Man from Galveston Director |
| The Ride Back Producer |