In Barcelona, secret agent Antoine Donadieu thwarts the plans of a Nazi scientist.
| Art | Jean Douarinou | Set Decoration |
| Sound | André Hossein | Original Music Composer |
| Camera | Antonio Macasoli | Director of Photography |
| Art | Jacques Colombier | Production Design |
| Directing | Gilles Grangier | Director |
| Art | Juan Alberto Soler | Set Decoration |
| Writing | Jacques Robert | Screenplay |
| Writing | Gilles Grangier | Screenplay |
| Writing | René Cambon | Novel |
