Ensemble
Jean-Paul Belmondo
Roberto Borgo, aka 'La Scoumoune'
Claudia Cardinale
Georgia Saratov
Michel Constantin
Xavier Saratov, Georgia's brother and Roberto's friend
Enrique Lucero
Migli, aka 'The Mexican', Roberto's trusted man
Michel Peyrelon
Charlot, aka 'L'Élégant'
Philippe Brizard
'Fanfan', regular at the gaming circle
Alain Mottet
'Ficelle', henchman of Villanova
Aldo Bufi Landi
Jeannot Villanova
Jacques Debary
Carl
Marc Eyraud
'Bonne Aventure', prisoner
Henri Vilbert
Graville, prison guard
Pierre Collet
Prison director