Cast
Pierre Fresnay
Commissaire Wens
Suzy Delair
Mila Malou
Jean Tissier
Triquet
Pierre Larquey
Mr. Colin
Noël Roquevert
Dr. Linz
René Génin
(1890–1967)
Alfred
Marc Natol
Armand
Huguette Vivier
Nurse Vania
Odette Talazac
Madame Point
Maximilienne
Miss Cuq
Louis Florencie
Commissaire Monnet
André Gabriello
Police Officer Pussot
Raymond Bussières
Turelot
Antoine Balpêtré
Albert (uncredited)
Léon Belières
Businessman (uncredited)
René Blancard
Inspector Picard (uncredited)
Lucien Blondeau
Police Prefect Edouard (uncredited)
Geo Forster
Guest (uncredited)
Gustave Gallet
Judicial Police Director (uncredited)
Léon Larive
Mr. Albert (uncredited)
Albert Malbert
Taxi Driver (uncredited)
Maurice Marceau
Bistro Client (uncredited)
Marcel Pérès
(1898–1974)
Inspector Ballandieu (uncredited)
Martial Rèbe
Cashier (uncredited)
Maurice Salabert
Cycling Police Officer (uncredited)
Guy Sloux
Journalist Destirac (uncredited)
Henri Vilbert
Police Officer (uncredited)
Writing
Henri-Georges Clouzot
Screenplay
Stanislas-André Steeman
Screenplay
Art
Andrej Andrejew
Production Design
Camera
Armand Thirard
Director of Photography
Production
Alfred Greven
Producer
Editing
Christian Gaudin
Editor
Sound
Maurice Yvain
Original Music Composer
William Robert Sivel
Sound Engineer