Special agent Becker is after a briefcase that rather cleverly disguises some secret documents.
| Directing | Raoul André | Director |
| Writing | Raoul André | Writer |
| Writing | José María Palacio | Screenplay |
| Writing | Claude Rank | Screenplay |
| Writing | Gianfranco Parolini | Writer |
| Writing | Jean Curtelin | Writer |
| Sound | Michel Magne | Original Music Composer |
| Camera | Pierre Petit | Director of Photography |
| Editing | Gabriel Rongier | Editor |
| Art | Sigfrido Burman | Set Decoration |
| Art | Louis Le Barbenchon | Set Decoration |
