Relentless (1977) — Cast
Cast
| Will Sampson | Sam |
| Don Starr | Cal Trask |
| John Hillerman | Leo |
| Mel Todd | Proprietor |
| Dick Armstrong | (uncredited) |
| Monte Markham | Vickers |
| Ted Markland | Barraclough |
| Ron Foster | Kleber |
| Earl W. Smith | Deputy Crews |
| David Pendleton | Terry |
| Danny Zapien | Jasper Garrison |
| Marianna Hill | Annie |
| Carroll Reynolds | Winthrop |
| Linda Henry | Bank Teller |
| John Lawlor | Walker |
| Larry Wilcox | Buck |
| Richard Kennedy | State Trooper |
| Steve Schemmel | Doctor |
| Pat Bolt | Waitress in Cafe |
| Antony Ponzini | Jack Bellin |
Crew
| Brian Garfield | Novel |
| John Cacavas | Original Music Composer |
| Sy Kasoff | Associate Producer |
| Chad Harwood | Wardrobe Designer |
| Jack Whitman | Cinematography |
| Lee H. Katzin | Director |
| Fred Baum | Producer |
| Sam Rolfe | Writer |
| Albert Heschong | Art Direction |
| Warren Welch | Set Decoration |
| Lynn Stalmaster | Casting |
| Richard Bracken | Editor |