Oscar Chartier plays a dangerous double game by selling secret plans to the German and American secret services, to ensure a comfortable future for his daughter, Sophie. But the plans are fake and Chartier decides to get help from his good friend Simon Templar.
| Directing | Christian-Jaque | Director |
| Production | Jean-Paul Guibert | Executive Producer |
| Editing | Jacques Desagneaux | Editor |
| Editing | Françoise Laporte | Editor |
| Art | Jean Mandaroux | Production Design |
| Art | Luciano Vincenti | Set Decoration |
| Costume & Make-Up | Alexandre Marcus | Makeup Department Head |
| Costume & Make-Up | Eligio Trani | Makeup Artist |
| Production | Claude Hauser | Production Manager |
| Production | Philippe Modave | Production Manager |
| Production | Fernando Rossi | Production Manager |
| Directing | Alberto Cardone | Assistant Director |
| Directing | Philippe Monnier | Assistant Director |
| Directing | Denise Morlot | Second Assistant Director |
| Production | René Calviera | Production Designer |
| Sound | Raymond Gauguier | Sound |
| Sound | Pietro Spadoni | Sound |
| Crew | André Cagnard | Stunts |
| Crew | Rico López | Stunts |
| Camera | Pierre Charvein | Assistant Camera |
| Camera | Noël Martin | Camera Operator |
| Camera | Gino Santini | Camera Operator |
| Editing | Françoise Laporte | Assistant Editor |
| Directing | Denise Morlot | Script Supervisor |
| Production | Antoine Compin | Production Secretary |
| Production | Yvonne Eblagon | Production Secretary |
| Production | Marco Gigante | Production Secretary |
| Sound | Gérard Calvi | Original Music Composer |
| Camera | Pierre Petit | Director of Photography |