An ill-assorted group of international criminals executes a tightly-planned ransom sting in Spain. Things go along swimmingly until various tensions within the group come to the fore.
| Directing | Jacques Deray | Director |
| Writing | Maurice Fabre | Writer |
| Editing | Monique Kirsanoff | Editor |
| Art | Georges Wakhévitch | Art Direction |
| Production | Paul-Edmond Decharme | Producer |
| Writing | Jacques Deray | Writer |
| Production | Benito Perojo | Producer |
| Production | Jean-Marie Durand | Unit Production Manager |
| Production | Paul-Edmond Decharme | Production Manager |
| Camera | Jean Charvein | Director of Photography |
| Camera | Juan Julio Baena | Director of Photography |
| Sound | Robert Biard | Sound Engineer |
| Production | Raymond Borderie | Producer |
| Sound | Michel Magne | Original Music Composer |
| Writing | James Hadley Chase | Novel |
| Writing | Michel Audiard | Writer |
