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