Cécile est morte !

Albert Préjean

Le commissaire Maigret

Santa Relli

Cécile

Germaine Kerjean

Madame Boynet

Luce Fabiole

Madame Petitot, la concierge

Liliane Maigné

Nouchi

André Gabriello

Lucas (as Gabriello)

Jean Brochard

Dandurand

Yves Deniaud

Machepied

André Reybaz

Gérard Pardon

Marcel Carpentier

Dr. Pierre

Marcel André

Le directeur de la P.J.

Henry Bonvallet

Le juge d'instruction (as Henri Bonvalet)

Charles Blavette

Monfils

France Asselin

Hélène Pardon (uncredited)

Paul Barge

Monsieur Louis (uncredited)

Jacques Beauvais

Monsieur Paul (uncredited)

Fernand Blot

Un inspecteur (uncredited)

Charles Camus

Léopold (uncredited)

Jean Clarieux

Voyageur dans le métro (uncredited)

Marius David

(uncredited)

Georges Simenon

Novel

Jean-Paul Le Chanois

Adaptation

Guy de Gastyne

Production Design

Pierre Montazel

Director of Photography

Maurice Tourneur

Director

Michel Duran

Dialogue

Roger Dumas

Original Music Composer

Georges Leblond

Sound

Gérard Bensdorp

Editor