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.
Yvan Noé | Screenplay |
Maurice Labro | Director |
Maurice Labro | Screenplay |
Francis Didelot | Novel |
Eugène Piérac | Set Decoration |
Pierre Petit | Director of Photography |
Robert Isnardon | Editor |
Michel Lesay | Producer |
Claude Arrieu | Original Music Composer |
Yves Baudrier | Original Music Composer |