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...
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
Pierre Koulak
Abdel Schmil dit "Le Coréen"
Pierre Leproux
Druber, le gardien de la bijouterie
Frédéric de Pasquale
Alfred, un inspecteur
André Weber
Émile Vergnes, dit "Le Gênois", guitariste et malfrat
