Six months before his retirement from the criminal police, inspector Joss finds his colleague Gouvion dead, in a poorly faked suicide attempt. Joss loses his temper, and investigates on his own, which leads him through the bas-fond of Paris...
Jean Gabin
Comissaire Joss, le Pacha
Dany Carrel
Nathalie Villars, la sœur de Léon
André Pousse
Marcel Lurat, dit Quinquin
Robert Dalban
l'inspecteur Albert Gouvion, amant de Nathalie
Jean Gaven
Marc, un inspecteur
Louis Arbessier
le directeur de chez Boucheron
Gérard Buhr
Arsène "le serrurier", un complice de Quinquin
Maurice Garrel
Léon Brunet, le receleur
