Michel Simon
Commissioner Jules Maigret (segment "Le témoignage d'un enfant de choeur")
Raymond Rouleau
Inspector Wenceslas Vorobeïtchik, aka 'Wens' (segment "L'alibi de monsieur Wens")
John van Dreelen
G'man Lemmy Caution (segment "Je suis un tendre")
André Dalibert
Commissioner Malaise (segment "L'alibi de monsieur Wens")
René Génin
Concierge (segment "L'alibi de monsieur Wens")
Arlette Merry
Florence Garnier (segment "L'alibi de monsieur Wens")
Jacqueline Porel
Denise (segment "L'alibi de monsieur Wens")
Maurice Teynac
Heldinge (segment "L'alibi de monsieur Wens")
Reinhard Kolldehoff
Hartner (segment "Je suis un tendre")
Inge Langdut
Gisella Hauptmann (segment "Je suis un tendre")
Nathalie Nattier
Michèle Leroy (segment "Je suis un tendre")
Pierre Sergeol
Leblond (segment "Je suis un tendre")
Georges Tabet
Hubert (segment "Je suis un tendre")
Christian Fourcade
Justin (segment "Le témoignage d'un enfant de choeur")
Jérôme Goulven
Simon Lesueur, second-hand dealer (segment "Le témoignage d'un enfant de choeur")
Alexandre Rignault
Inspector Janvier (segment "Le témoignage d'un enfant de choeur")
Claire Olivier
Madame Maigret (segment "Le témoignage d'un enfant de choeur")
Marguerite Garcya
Justin's mother (segment "Le témoignage d'un enfant de choeur")
Jacques Morel
Commentary (voice)
Louis Blanche
Judge (segment "Le témoignage d'un enfant de choeur") (uncredited)
André Chanu
(uncredited)
Jo Dest
(uncredited)
Richard Flagey
(uncredited)
Arsenio Freignac
Lucas (uncredited)
Erich Frichs
(uncredited)
Gaston Garchery
(uncredited)
Pierre Goutas
(segment "Le témoignage d'un enfant de choeur") (uncredited)
Hennery
Director (uncredited)
André Kronefeld
(uncredited)
Yette Lucas
Second concierge (uncredited)
Robert Lussac
Police Director (uncredited)
Henri Marchand
Priest (segment "Le témoignage d'un enfant de choeur") (uncredited)
Raoul Marco
Doctor (uncredited)
Albert Michel
Brigadier (segment "Le témoignage d'un enfant de choeur") (uncredited)
Maryse Paillet
First concierge (uncredited)
Nicole Rimbaud
(uncredited)
Marcel Rouzé
(segment "Le témoignage d'un enfant de choeur") (uncredited)
Michel Vadet
(uncredited)
Stanislas-André Steeman
Writer
Peter Cheyney
Writer
Jacques Companéez
Writer
André Germain
Director of Photography
Jules Calamy
Producer
Raymond Froment
Producer
Hans May
Music
Gabriel Rongier
Editor
René Moulaert
Production Design
Julien Rivière
Production Manager
Jacques Lebreton
Sound
Henri Verneuil
Director
Georges Simenon
Novel