Michel Simon

as Commissioner Jules Maigret (segment "Le témoignage d'un enfant de choeur")

Raymond Rouleau

as Inspector Wenceslas Vorobeïtchik, aka 'Wens' (segment "L'alibi de monsieur Wens")

John van Dreelen

as G'man Lemmy Caution (segment "Je suis un tendre")

André Dalibert

as Commissioner Malaise (segment "L'alibi de monsieur Wens")

René Génin

as Concierge (segment "L'alibi de monsieur Wens")

Arlette Merry

as Florence Garnier (segment "L'alibi de monsieur Wens")

Jacqueline Porel

as Denise (segment "L'alibi de monsieur Wens")

Maurice Teynac

as Heldinge (segment "L'alibi de monsieur Wens")

Reinhard Kolldehoff

as Hartner (segment "Je suis un tendre")

Inge Langdut

as Gisella Hauptmann (segment "Je suis un tendre")

Nathalie Nattier

as Michèle Leroy (segment "Je suis un tendre")

Pierre Sergeol

as Leblond (segment "Je suis un tendre")

Georges Tabet

as Hubert (segment "Je suis un tendre")

Christian Fourcade

as Justin (segment "Le témoignage d'un enfant de choeur")

Jérôme Goulven

as Simon Lesueur, second-hand dealer (segment "Le témoignage d'un enfant de choeur")

Alexandre Rignault

as Inspector Janvier (segment "Le témoignage d'un enfant de choeur")

Claire Olivier

as Madame Maigret (segment "Le témoignage d'un enfant de choeur")

Marguerite Garcya

as Justin's mother (segment "Le témoignage d'un enfant de choeur")

Jacques Morel

as Commentary (voice)

Louis Blanche

as Judge (segment "Le témoignage d'un enfant de choeur") (uncredited)

André Chanu

as (uncredited)

Jo Dest

as (uncredited)

Richard Flagey

as (uncredited)

Arsenio Freignac

as Lucas (uncredited)

Erich Frichs

as (uncredited)

Gaston Garchery

as (uncredited)

Pierre Goutas

as (segment "Le témoignage d'un enfant de choeur") (uncredited)

Hennery

as Director (uncredited)

André Kronefeld

as (uncredited)

Yette Lucas

as Second concierge (uncredited)

Robert Lussac

as Police Director (uncredited)

Henri Marchand

as Priest (segment "Le témoignage d'un enfant de choeur") (uncredited)

Raoul Marco

as Doctor (uncredited)

Albert Michel

as Brigadier (segment "Le témoignage d'un enfant de choeur") (uncredited)

Maryse Paillet

as First concierge (uncredited)

Nicole Rimbaud

as (uncredited)

Marcel Rouzé

as (segment "Le témoignage d'un enfant de choeur") (uncredited)

Michel Vadet

as (uncredited)