Cast
Albert Préjean
Maigret
André Gabriello
Lucas
Maurice Marceau
Un inspecteur (uncredited)
Marcel Duhamel
Le peintre (uncredited)
Pierre Palau
Le docteur Pierre
Noël Roquevert
Louis Dubief
Guillaume de Sax
Maître Laignan
Henri Vilbert
Amadieu
Huguette Vivier
Eliane (uncredited)
Henri Charrett
(uncredited)
Marguerite Ducouret
Madame Cognet (uncredited)
Colette Régis
Madame Le Cloaguen
Jean Tissier
Mascouvin
Antoine Balpêtré
Le grand patron
Georges Gosset
(uncredited)
Héléna Manson
Marie, la bonne (uncredited)
Frédéric Mariotti
Le garçon du buffet (uncredited)
Juliette Faber
Berthe
Gabrielle Fontan
La soeur de Le Cloaguen
France Delahalle
(uncredited)
Pierre Ferval
(uncredited)
Édouard Francomme
(uncredited)
Marcelle Rexiane
La patronne de l'hôtel (uncredited)
Édouard Delmont
Le Cloaguen
Jean Dasté
Le clerc (uncredited)
Jacques Denoël
Jacques (uncredited)
Jean Daurand
Le coursier (uncredited)