Roy Tucker, a Vietnam war veteran with excellent shooting skills, is serving a long prison sentence when a mysterious visitor promises him that he will be released if he agrees to carry out a dangerous assignment.
| Directing | Stanley Kramer | Director |
| Production | Jack Baur | Casting |
| Art | William J. Creber | Production Design |
| Production | Martin Starger | Executive Producer |
| Production | Stanley Kramer | Producer |
| Sound | Billy Goldenberg | Original Music Composer |
| Editing | John F. Burnett | Editor |
| Art | Ron Hobbs | Art Direction |
| Writing | Adam Kennedy | Novel |
| Writing | Adam Kennedy | Screenplay |
| Camera | Fred J. Koenekamp | Director of Photography |
| Camera | Ernest Laszlo | Director of Photography |
| Sound | Richard Portman | Sound Re-Recording Mixer |
| Crew | Phil Cory | Special Effects |
| Art | Rafael Bretton | Set Decoration |
| Costume & Make-Up | Rita Riggs | Costume Designer |
| Sound | David M. Ronne | Sound Engineer |
| Costume & Make-Up | Lynn Del Kail | Hairstylist |
| Art | Wayne Fitzgerald | Title Designer |
| Costume & Make-Up | Del Armstrong | Makeup Artist |
| Production | Terry Morse Jr. | Associate Producer |
| Production | Lew Grade | Producer |
| Crew | Larry Holt | Stunts |
| Crew | John Hudkins | Stunt Coordinator |
