A group of bandits conspire to kidnap a scientist who can help them manufacture diamonds.Unbeknownst to them , the FBI is already on their case.
| Directing | Pierre Chevalier | Director |
| Sound | Jean Marion | Original Music Composer |
| Editing | Françoise Javet | Editor |
| Writing | Jacques Doniol-Valcroze | Screenplay |
| Art | Henri Morin | Production Design |
| Camera | Léonce-Henri Burel | Director of Photography |
| Writing | Peter Cheyney | Novel |
| Writing | Victor Trivas | Screenplay |
