92 minutos
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.
François Patrice
Dominique Lekain
Constant Rémy
Deberny
Lise Topart
Mariette
René Génin
Belleu
Lucas Gridoux
Le commissaire
René Blancard
Morgain
Pierre Labry
Fiellat
Léonce Corne
Un professeur
Claire Gérard
Madame Lieusaint
José Artur
Luxeuil
Henri Valbel
Monsieur Crauqual
Luce Fabiole
La marraine
Jacques Sommet
Le pion
Robert Moor
Un professeur
Max Dalban
Le docteur
Georges Hubert
Lieusaint
Charles Vissières
Samson
François Loiselet
Un élève
Dino de Philippe
Roland Moreau
Un élève
Denis Gorman
Dany Bill
Maledieu (uncredited)
Lucien Galvignet
Un élève (uncredited)
Marcel Loche
(uncredited)
Jean-François Martial
Un habitué du cercle (uncredited)
Christian Modeste
Un élève (uncredited)
Georges Olivier
Un élève (uncredited)
Véran
Un élève (uncredited)
