"Prosecutor Etzel discovers that his father has sentenced a man, Leonardo Maurizius, on mere presumptions. He then makes it a point of honor to trace the sources of the case to uncover the truth."
Daniel Gélin
as Léonard Maurizius
Madeleine Robinson
as Elisabeth Maurizius
Eleonora Rossi Drago
as Anna Jahn
Anton Walbrook
as Grégoire Waremme
Charles Vanel
as Wolf Andergast
Berthe Bovy
as La grand-mère
Denis d'Inès
as Pierre-Paul Maurizius
Claude Arlay
as
Pierre Asso
as Le maître-chanteur
Paola Borboni
as Madame Bobika
Jane Faber
as La gouvernante
Jim Gérald
as Le professeur
Harry-Max
as L'avocat
Joseph Palau-Fabre
as Le conseiller
Sandro Ruffini
as Le proviseur
Claude Sylvain
as Mélita
Jacques Varennes
as Le juge d'instruction
Jean d'Yd
as Le président
Jacques Chabassol
as Etzel Andergast
Annie Fargue
as Melita Bobike (uncredited)
Daniel Mendaille
as (uncredited)
Bernard Musson
as Le greffier (uncredited)
Aldo Silvani
Sigfrit Steiner
as Le géôlier (uncredited)
Julien Duvivier
Director
Screenplay
Georges Van Parys
Original Music Composer
Maguy Vernadet
Makeup Artist
Faustin Jeanjean
Jacques Saulnier
Assistant Art Director
Robert Biart
Sound Engineer
Pierre Le Fauconnier
Still Photographer
Pierre Larrieu
Henry Deutschmeister
Producer
Lucien Lippens
Unit Production Manager
Georges Lévy
Christian Courmes
Boom Operator
Max Douy
Production Design
Michel Romanoff
Assistant Director
Louis Wipf
Production Manager
Jean André
Janine Casse
Assistant Makeup Artist
Roger Delpuech
Camera Operator
Maurice Jeanjean
Simone Knapp
Hairstylist
Jakob Wassermann
Novel
Jean Zay
Costume Design
Georges Klein
Arrigo Colombo
Robert Lefebvre
Director of Photography
Rosine Delamare
Marthe Poncin
Editor