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...
as Comissaire Joss, le Pacha
as Nathalie Villars, la sœur de Léon
as Marcel Lurat, dit Quinquin
as l'inspecteur Albert Gouvion, amant de Nathalie
as Marc, un inspecteur
as le directeur de chez Boucheron
as Arsène "le serrurier", un complice de Quinquin
as Léon Brunet, le receleur
as Abdel Schmil dit "Le Coréen"
as Druber, le gardien de la bijouterie
as Alfred, un inspecteur
as Émile Vergnes, dit "Le Gênois", guitariste et malfrat
as un inspecteur de la Police Judiciaire
as Hortz Weiss, dit Hortz de Hambourg
as Paul, le directeur de la police
as Un homme de la bande d'Émile
as Riton
as Un homme de la bande à Émile
as Médecin légiste
as Donadieu
as Malevin
as Un client chez Marcel
as Odile
as Mme Druber
as Léon Villars dit 'Léon de Lyon'
as Un inspecteur à la P.J.
as Un homme de la bande à Émile
as Un homme de la bande à Émile
as Un homme de la bande à Émile
as Un homme de la bande à Émile
as Chef gare de Troyes
as Inspecteur René
as L'officier de police Marquet
as Inspecteur police judiciaire
as Ernest
as Une danseuse
as Serge Gainsbourg (uncredited)
as Violette - la barmaid du Hippy's (uncredited)
as Le chauffeur de Brunet (uncredited)
