Jean Marais
— Prof. Jerome
Geneviève Page
— Edith
Jean-Claude Brialy
— Jean-Loup
Agnès Laurent
— Monette
Jean-Paul Moulinot
— Cahuzac
Amédée
— Maubru
Régine Lovi
— Brigitte
Fred Pasquali
— Bataillon
Hubert Deschamps
— Inspector
Jacques Hilling
— Professor
Paulette Arnoux
Robert Blome
Joëlle Janin
— Solange
Alix Mahieux
Alexandre Astruc
— First employee of lost and found items
Christian-Jaque
— Second employee
Léo Joannon
— Third employee
Yves Barsacq
— Student
Alex Joffé
— Camping goods seller
André Michel
— Secretary at the police station
Jean-Pierre Melville
— Commissioner
France Roche
— Anne-Lise
Boris Vian
— Baths manager
Victor Vicas
— Town hall secretary