Synopsis
The film story depicts Emile Buisson, following the death of his wife and child, escaping from a psychiatric institution in 1947 and returning to Paris. Buisson, who three years later would become France's public enemy number one, begins a murderous rampage through the French capital.
Cast

Alain Delon
Roger Borniche

Jean-Louis Trintignant
Émile Buisson

Claudine Auger
Catherine

Renato Salvatori
Mario Poncini

André Pousse
Jean-Baptiste Buisson

Marco Perrin
Vieuchene

Henri Guybet
Hidoine

Maurice Barrier
Rene Bollec

Denis Manuel
Lucien Darros

Maurice Biraud
Owner of the Saint-Appoline hotel

Mario David
Raymond Pelletier

Paul Crauchet
Paul Robier
Françoise Dorner
Suzanne Bollec

William Sabatier
Ange
Adolfo Lastretti
Jeannot, aka 'le Niçois'

Frédérique Meininger
Mado

Giampiero Albertini
Marcel

Catherine Lachens
Jenny

Lionel Vitrant
Gendarme

Christine Boisson
Jocelyne

Rossana Di Lorenzo
Marie

Jacques Marin
Owner of the inn in Saint-Rémy

Annick Berger
Owner of the inn
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