When Monsieur Crauqual, the supervisor, is found hanging, all wonder why this rather rich person decided to kill himself. And when a pupil is found hanging too, François and his friends decide to investigate. They are certain there is a killer within the walls of Collège François 1er and determined to prevent him from going on running wild.
Production | Michel Lesay | Producer |
Directing | Maurice Labro | Director |
Art | Eugène Piérac | Set Decoration |
Writing | Maurice Labro | Screenplay |
Writing | Francis Didelot | Novel |
Camera | Pierre Petit | Director of Photography |
Editing | Robert Isnardon | Editor |
Sound | Yves Baudrier | Original Music Composer |
Production | Yvan Noé | Production Manager |
Sound | Claude Arrieu | Original Music Composer |
Writing | Yvan Noé | Screenplay |