A French hit man is hired by a crime family to end the life of a rival mobster, but things fall apart when the boss who hired him is killed.
| Directing | Jacques Deray | Director |
| Production | Jacques Bar | Producer |
| Camera | Silvano Ippoliti | Director of Photography |
| Editing | William K. Chulack | Editor |
| Production | Fred Roos | Casting |
| Production | Mike Fenton | Casting |
| Camera | Terry K. Meade | Director of Photography |
| Art | Kenneth A. Reid | Art Direction |
| Art | Harold Michelson | Production Design |
| Editing | Henri Lanoë | Editor |
| Sound | Michel Legrand | Original Music Composer |
| Lighting | Lloyd Garnell | Gaffer |
| Art | Marvin March | Set Decoration |
| Writing | Ian McLellan Hunter | Screenplay |
| Writing | Jacques Deray | Screenplay |
| Writing | Jean-Claude Carrière | Screenplay |
| Crew | Craig R. Baxley | Stunts |
| Writing | Jacques Deray | Story |
| Writing | Jean-Claude Carrière | Story |
