Bourvil
Role: Léon Dutilleul
Joan Greenwood
Role: Susan
Henri Crémieux
Role: Mr. Lécuyer
Roger Tréville
Role: Félix Burdin
Jacques Erwin
Role: Gaston
Frédéric O'Brady
Role: The Medical Specialist
René Worms
Role: An Employee at the Ministry
Nina Myral
Role: Mrs. Eloise
Nicole Riche
Role: The Lady of the Second
Germaine Reuver
Role: Mrs. Ménard, the Concierge
Jeanne Véniat
Role: The South American
Georges Flateau
Role: Mr Robert
Edmond Beauchamp
Role: Arturo
Georges Lannes
Role: The Director of the 'Prison de la Santé'
Marcelle Arnold
Role: Germaine
Raymond Souplex
Role: Jean-Paul
Nicolas Amato
Role: The First Agent (uncredited)
Georgette Anys
Role: Maria (uncredited)
Alfred Arlais
Role: (uncredited)
Maurice Biraud
Role: A colleague of Léon (uncredited)
Gérard Buhr
Role: (uncredited)
Marcel Charvey
Role: The bartender (uncredited)
Dominique Davray
Role: A model (uncredited)
Skip Farrell
Role: Maurice (uncredited)
Charlie Fawcett
Role: (uncredited)
Fignolita
Role: The negress (uncredited)
Charles Jarrel
Role: (uncredited)
Franck Maurice
Role: The Second Agent (uncredited)
Marcel Meral
Role: A Colleague of Léon (uncredited)
Craddock C. Monroe
Role: Elmer (uncredited)
Alain Raffael
Role: (uncredited)
Nicole Rimbaud
Role: (uncredited)
Titys
Role: The Prisoner (uncredited)
Pamela Wilde
Role: A Model (uncredited)
Payne Williams
Role: Jean-Paul (uncredited)