Cashier Maurice Legrand is married to Adele, a terror. By chance, he meets Lucienne, "Lulu", and make her his mistress. He thinks he finally met love, but Lulu is nothing but a streetwalker, in love with Dede, her pimp. She only accepts Legrand to satisfy Dede's needs of money.
Michel Simon
as Maurice Legrand
Janie Marèse
as Lucienne 'Lulu' Pelletier
Georges Flamant
as Andre 'Dédé' Govain
Magdeleine Bérubet
as Adèle Legrand
Roger Gaillard
as Adjutant Alexis Godard
Jean Gehret
as Monsieur Dugodet
Lucien Mancini
as Wallstein
Max Dalban
as Bernard, the colleague
Romain Bouquet
as Henriot, boss of hosiery
Pierre Desty
as Gustave Brocheton
Jane Pierson
as Philomène, concierge
Christian Argentin
as Investigating judge Desrumaux
