An ornithologist mistaken for an explosives expert is sent alone into a small French town during WWI to investigate a garbled report from the resistance about a bomb which the departing Germans have set to blow up a weapons cache.
| Directing | Philippe de Broca | Director |
| Writing | Daniel Boulanger | Writer |
| Editing | Françoise Javet | Editor |
| Camera | Pierre Lhomme | Director of Photography |
| Sound | Georges Delerue | Original Music Composer |
| Production | Philippe de Broca | Producer |
| Camera | François About | Assistant Camera |
| Sound | Jacques Carrère | Sound |
| Production | Michelle de Broca | Producer |
| Production | Jacques Juranville | Production Supervisor |
| Camera | Vincent Rossell | Still Photographer |
| Costume & Make-Up | Jacques Fonteray | Costume Design |
| Art | François de Lamothe | Set Decoration |
| Directing | Marc Monnet | Assistant Director |
| Production | Gérard Crosnier | Production Manager |
| Art | François de Lamothe | Production Design |
