André Valmy

as Thoas (voice)

as Georges Clemenceau

as Rochefort

as Gibassier

as Olivier Le Daim

as Professor Bergamotte (voice)

as Bailiff

as Un inspecteur, sous les ordres de Tarquin

as Simon Ford

as Inspecteur Daumale

as Pelletier

as Le policier

as Mauricet

as Inspector Laroche

as L'inspecteur Lucas

as Antoine Tergnier

as Marjavel

as Rudeau

as Capitano Pierre Le Guellec

as inspecteur Ollivier

as Captain Van Meulen

as L'inspecteur Carlier

as Stauner

as Thierry

as Marco

as L'autre inspecteur de police

as Psychiatrist at Ste Anne's hospital

as L'administrateur Leblanc

as Georges, club boss

as l'inspecteur principal

as Le douanier Louis

as P'tit Louis

as Joseph Sliven

as Sem

as Inspector Dumont

as Doctor Lucien Evrard

as Commissioner Didier

as Inspector Braun

as Commissioner

as Pierre Goulet

as Marcel

as Laurin

as Rudan

as Veaudoit, “the double agent”

as Lt. Besnard

as Georges

as Jacques Marchand

as Coco-Latour

as Olivier

as Serge Duhamel

as Etienne

as Le gérant de l'hôtel

as (uncredited)

as Ernst