 | George C. Scott als Harry Garmes |
 | Tony Musante als Paul Rickard |
 | Trish Van Devere als Claudie Scherrer |
 | Colleen Dewhurst als Monique |
 | Aldo Sambrell als Miguel (as Aldo Sanbrell) |
 | Antonio Tarruella als Motorcycle Policeman |
 | Robert Coleby als Hitch Hiker |
| Pat Zurica als 1st Man |
 | Rocky Taylor als 2nd Man |
 | Robert Rietti als Miguel (voice) (uncredited) |
| Alan Sharp | Writer |
| Richard Fleischer | Director |
| Jerry Goldsmith | Original Music Composer |
| Carter DeHaven | Producer |
| Russell Lloyd | Editor |
| Sven Nykvist | Director of Photography |
| José María Tapiador | Art Direction |
| Roy Walker | Art Direction |
| Del Acevedo | Makeup Artist |
| Leslie Hodgson | Sound Editor |
| John Huston | Director |
| Mariano García | Makeup Artist |
| Stefano Capriati | Assistant Director |
| Roy Stevens | Second Unit Director |
| Antonio Tarruella | Assistant Director |
| Basil Fenton-Smith | Sound Mixer |
| Leslie Hodgson | ADR Mixer |
| Antonio Bueno | Special Effects |
| Romo Gorrara | Stunt Coordinator |
| Stefano Capriati | Stunt Double |
| Cliff Diggins | Stunt Driver |
| Chris Kelly | Assistant Sound Editor |
