Louis Jouvet as Inspector Carel

Madeleine Robinson as Lucienne Lusigny

Robert Arnoux as Rossignol

Léo Lapara as Inspector Perpignan

Monique Mélinand as Irma

Gisèle Casadesus as Florence

Yvette Etiévant as Girl

Simone Sylvestre as Léone

Janine Viénot as

Robert Vattier as Charlie

Jacques Morel as Bouture

Marianne Hardy as Marie-Louise

Paul Barge as Forensic doctor

Jean-Claude Malouvier as

Jacques Roux as

Jean Meyer as Victor

Charles Bayard as Gunsmith (uncredited)

Anne Campion as Tonia (uncredited)

Maurice Chevit as Employee with the fingerprints (uncredited)

Janine Clairville as Modeler (uncredited)

Jacques Denoël as Joi (uncredited)

Guy Favières as Bargeman (uncredited)

Gisèle François as (uncredited)

Josette Hanson as (uncredited)

Nicole Jonesco as Apprentice (uncredited)

Marcel Loche as (uncredited)

Jacqueline Mansard as (uncredited)

René Pascal as (uncredited)

Jacqueline Pierreux as Marceline (uncredited)

Guy Saint-Clair as (uncredited)

Sylvie Serliac as (uncredited)

Germaine Stainval as Concierge (uncredited)

Jean Sylvère as Tramp (uncredited)

Constance Thierry as (uncredited)