- Inge Langdut - Gisella Hauptmann
- Nathalie Nattier - Michèle Leroy
- Pierre Sergeol - Leblond
- Georges Tabet - Hubert
- Christian Fourcade - Justin
- Jérôme Goulven - Simon Lesueur, le brocanteur
- Alexandre Rignault - L'inspecteur Janvier
- Claire Olivier - Madame Maigret
- Marguerite Garcya - La mère de Justin
- Jacques Morel - Commentaire (voice)
- Louis Blanche - Le juge (uncredited)
- André Chanu - (uncredited)
- Jo Dest - (uncredited)
- Richard Flagey - (uncredited)
- Arsenio Freignac - Lucas (uncredited)
- Erich Frichs - (uncredited)
- Gaston Garchery - (uncredited)
- Pierre Goutas - (uncredited)
- Hennery - Le directeur (uncredited)
- André Kronefeld - (uncredited)
- Yette Lucas - La deuxième concierge (uncredited)
- Robert Lussac - Le directeur de la police (uncredited)
- Henri Marchand - Le prêtre (uncredited)
- Raoul Marco - Le docteur (uncredited)
- Albert Michel - Le brigadier (uncredited)
- Maryse Paillet - La première concierge (uncredited)
- Nicole Rimbaud - (uncredited)
- Marcel Rouzé - (uncredited)
- Michel Vadet - (uncredited)
- Henri Verneuil
- Georges Simenon
- Stanislas-André Steeman
- Raymond Froment
- Jacques Lebreton
Capítulo disponible en las siguientes plataformas:
