| Trumbo (2015)As Self (archive footage) (uncredited) | (Not seen) |
| Battle for Terra (2007)As Doron (voice) | (Not seen) |
| The Ultimate Gift (2006)As Howard 'Red' Stevens | (Not seen) |
| The Notebook (2004)As Duke | (Not seen) |
| Atlantis: The Lost Empire (2001) (AKA "Atlantis")As Commander Lyle Tiberius Rourke (voice) | (Not seen) |
| Space Cowboys (2000)As Tank Sullivan | (Not seen) |
| Twilight (1998) (AKA "The Magic Hour")As Raymond Hope | (Not seen) |
| Maverick (1994)As Marshal Zane Cooper | (Not seen) |
| Fire in the Sky (1993)As Frank Watters | (Not seen) |
| Victor Victoria (1982) (AKA "Victor/Victoria")As King Marchand | (Not seen) |
| Skin Game (1971)As Quincy Drew / Capt. Nathaniel Mountjoy | (Not seen) |
| Support Your Local Gunfighter (1971) (AKA "Latigo")As Latigo | (Not seen) |
| Marlowe (1969)As Philip Marlowe | (Not seen) |
| Support Your Local Sheriff! (1969) (AKA "The Sheriff")As Jason McCullough | (Not seen) |
| Hour of the Gun (1967)As Wyatt Earp | (Not seen) |
| Grand Prix (1966)As Pete Aron | (Not seen) |
| The Americanization of Emily (1964) (AKA "Emily")As Lt. Cmdr. Charles Edward Madison | (Not seen) |
| The Wheeler Dealers (1963)As Henry Tyroon | (Not seen) |
| The Thrill of It All (1963)As Dr. Gerald R. Boyer | (Not seen) |
| The Great Escape (1963)As Hendley 'The Scrounger' | (Not seen) |
| Boys' Night Out (1962)As Fred Williams | (Not seen) |
| Cash McCall (1960)As Cash McCall | (Not seen) |
| Sayonara (1957)As Capt. Mike Bailey | (Not seen) |