Christian Stengel
Director
Robert Hubert
Production Design
Claude Heymann
Production Manager
René Gaveau
Director of Photography
Aimé Frapin
Producer
Yvonne Martin
Editor
André Louis
Sound
Paul Misraki
Original Music Composer
Jean Giltène
Novel
Christian Stengel
Writer
Paul Wagner
Producer
Jean Giltène
Writer
Alwynn
Costume Design
Simone Renant
Marianne Séverin
Michel Auclair
Michel Dunan, Alain's look-alike / Alain de Norbois, missing man
Marcel Herrand
Norbert, butler
René Blancard
Me Tirgen, lawyer
André Versini
Adrien
Guy Favières
Guillaume
René Hell
Player
Roger Bontemps
Inspector
Paul Delon
Inspector General Leroux
Teddy Bilis
Nicole Gamma
Jean-Jacques Duverger
Paul de Norbois
Robert Vattier
Adolphe Mercier, businessman
Jacques Castelot
Investigating judge
Geneviève Page
Carole de Norbois
Reine Charmy
Marcelle Arnold
(uncredited)
Jean Brunel
(uncredited)
Paule Launay
(uncredited)
Marcel Rouzé
(uncredited)
René Sauvaire
(uncredited)
