Charles Aznavour
Commissioner Kramer
Geneviève Thénier
Geneviève
Félix Marten
Boss of the cabaret
Robert Dalban
Garage owner
Jacques Castelot
Investigating judge
Guy Marly
Director of the gaming circle
Jean Franval
S.N.C.F. employee
Madeleine Sologne
Robert's mother
Yvan Chiffre
Fence's henchman (uncredited)
Albert Dagnant
Fence (uncredited)
Sergio Gobbi
Journalist (uncredited)
Jacques Léonard
Child's father at the train station (uncredited)
Gaston Meunier
Player (uncredited)
Tony Rödel
Player (uncredited)
Gilbert Servien
Lawyer (uncredited)