Maigret
Albert Préjean
Berthe
Juliette Faber
La soeur de Le Cloaguen
Gabrielle Fontan
Madame Le Cloaguen
Colette Régis
Le petit employé (uncredited)
Jean-Marie Boyer
(uncredited)
Albert Brouett
Henri Charrett
Raymond Dardelin
Le clerc (uncredited)
Jean Dasté
Le coursier (uncredited)
Jean Daurand
France Delahalle
Jacques (uncredited)
Jacques Denoël
Mascouvin
Jean Tissier
Madame Cognet (uncredited)
Marguerite Ducouret
Le peintre (uncredited)
Marcel Duhamel
Pierre Ferval
Fabienne Fortaire
Édouard Francomme
Georges Gosset
Marie, la bonne (uncredited)
Héléna Manson
Un inspecteur (uncredited)
Maurice Marceau
Le garçon du buffet (uncredited)
Frédéric Mariotti
Madame Bertaud (uncredited)
Maximilienne
Lucas
André Gabriello
La patronne de l'hôtel (uncredited)
Marcelle Rexiane
Bouffartigues (uncredited)
André Varennes
Eliane (uncredited)
Huguette Vivier
La concierge de Jeanne Dumont (uncredited)
Janine Viénot
Louis Dubief
Noël Roquevert
Maître Laignan
Guillaume de Sax
Le Cloaguen
Édouard Delmont
Le grand patron
Antoine Balpêtré
Amadieu
Henri Vilbert
Le docteur Pierre
Pierre Palau
Novel
Georges Simenon
Director
Richard Pottier
Adaptation
Jean-Paul Le Chanois