Jef Costello
Alain Delon
Jane Lagrange
Nathalie Delon
The Superintendant
François Périer
Valérie, la pianiste (as Caty Rosier)
Cathy Rosier
Gunman
Jacques Leroy
Olivier Rey
Jean-Pierre Pasier
Olivier Rey
Jean-Pierre Posier
Wiener
Michel Boisrond
Locker Room Girl
Catherine Jourdan
Bartender
Robert Favart
Garage keeper
Andre Salgues
1st inspector
Roger Fradet
2nd inspector
Carlo Nell
3d inspector
Robert Rondo
Policeman
Andre Thorent
Damolini
Georges Casati
Garcia
Jack Leonard
Policeman Speaker
Jacques Deschamps
Hotel manager
Gaston Meunier
Policeman of the night visit #1
Pierre Vaudier
Policeman of the night visit #2
Maurice Magalon
Night-Club customer #1
Jean Gold
Night-Club customer #2
Georges Billy
Poker Player
Ari Aricardi
Poker Player
Guy Bonnafoux
Inspector
Humberto Catalano
Jef Lookalike
Carl Lechner
Girl with chewing-gum
Maria Maneva