Michel Simon as Monsieur Hire

Viviane Romance as Alice, maîtresse d'Alfred

Paul Bernard as Alfred, le véritable assassin

Charles Dorat as Michelet, le secrétaire du commissaire

Lucas Gridoux as Mr Fortin, le pharmacien

Lita Recio as Viviane

Max Dalban as Capoulade

Émile Drain as Monsieur Breteuil dit le petit caporal

Guy Favières as Monsieur Sauvage

Louis Florencie as L'inspecteur Marcelin

Charles Dorat as L'nspecteur Michelet

Marcel Pérès as Cermanutti

Michel Ardan as Fernand

Lucien Carol as L'inspecteur Benoit

Olivier Darrieux as Étienne

Paulette Laurent as Mouchette

Paul Franck as Le docteur Philippon

Jenny Leduc as Irma

Louis Lions as Marco

Emma Lyonel as

Jean-François Martial as Monsieur Joubert

Lucien Paris as Monsieur Branchu

Jean Sylvain as Raphaël

Robert Balpo as

Suzanne Desprès as

Michèle Auvray as

Magdeleine Gidon as

Fernand Dally as

Germaine Géranne as