Characters played by Michel Simon
Le commissaire Jules Maigret (segment "Le témoignage d'un enfant de choeur")
Characters played by Raymond Rouleau
L'inspecteur Wenceslas Vorobeïtchik dit Wens (segment "L'alibi de monsieur Wens")
Characters played by John Van Dreelen
Le G'man Lemmy Caution (segment "Je suis un tendre")
Characters played by Nathalie Nattier
Michèle Leroy (segment "Je suis un tendre")
Characters played by Arlette Merry
Florence Garnier (segment "L'alibi de monsieur Wens")
Characters played by Inge Landgut
Gisella Hauptmann (segment "Je suis un tendre")
Characters played by Jacqueline Porel
Denise (segment "L'alibi de monsieur Wens")
Characters played by Claire Olivier
Madame Maigret (segment "Le témoignage d'un enfant de choeur")
Characters played by Marguerite Garcya
La mère de Justin (segment "Le témoignage d'un enfant de choeur")
Characters played by Alexandre Rignault
L'inspecteur Janvier (segment "Le témoignage d'un enfant de choeur")
Characters played by René Génin
Le concierge (segment "L'alibi de monsieur Wens")
Characters played by Jérôme Goulven
Simon Lesueur - le brocanteur (segment "Le témoignage d'un enfant de choeur")
Characters played by André Dalibert
Le commissaire Malaise (segment "L'alibi de monsieur Wens")
Characters played by Pierre Sergeol
Leblond (segment "Je suis un tendre")
Characters played by Reinhard Kolldehoff
Hartner (segment "Je suis un tendre")
Characters played by Christian Fourcade
Justin (segment "Le témoignage d'un enfant de choeur")
Characters played by Georges Tabet
Hubert (segment "Je suis un tendre")
Characters played by Maurice Teynac
Heldinge (segment "L'alibi de monsieur Wens")
Characters played by Jacques Morel
Commentary
Characters played by Louis Blanche
Le juge (segment "Le témoignage d'un enfant de choeur")
Characters played by André Chanu
(segment "Le témoignage d'un enfant de choeur")
Characters played by Jo Dest
(uncredited)
Characters played by Richard Flagey
(uncredited)
Characters played by Arsenio Freignac
Lucas
Characters played by Erich Frichs
(uncredited)
Characters played by Gaston Garchery
Petit rôle
Characters played by Pierre Goutas
(segment "Le témoignage d'un enfant de choeur")
Characters played by Hennery
Le directeur
Characters played by André Kronefeld
(uncredited)
Characters played by Yette Lucas
La deuxième concierge
Characters played by Robert Lussac
Le directeur de la police
Characters played by Henri Marchand
Le prêtre (segment "Le témoignage d'un enfant de choeur")
Characters played by Raoul Marco
Le docteur
Characters played by Albert Michel
Le brigadier (segment "Le témoignage d'un enfant de choeur")
Characters played by Maryse Paillet
La première concierge
Characters played by Nicole Rimbaud
(uncredited)
Characters played by Marcel Rouzé
(segment "Le témoignage d'un enfant de choeur")
Characters played by Michel Vadet
Petit rôle