 Jean-Paul BelmondoRoberto Borgo, aka 'La Scoumoune' | Roberto Borgo, aka 'La Scoumoune' |
 Claudia CardinaleGeorgia Saratov | Georgia Saratov |
 Michel ConstantinXavier Saratov, Georgia's brother and Roberto's friend | Xavier Saratov, Georgia's brother and Roberto's friend |
 Enrique LuceroMigli, aka 'The Mexican', Roberto's trusted man | Migli, aka 'The Mexican', Roberto's trusted man |
 Michel PeyrelonCharlot, aka 'L'Élégant' | Charlot, aka 'L'Élégant' |
 Philippe Brizard'Fanfan', regular at the gaming circle | 'Fanfan', regular at the gaming circle |
 Alain Mottet'Ficelle', henchman of Villanova | 'Ficelle', henchman of Villanova |
 Aldo Bufi LandiJeannot Villanova | Jeannot Villanova |
 Jacques DebaryCarl | Carl |
 Marc Eyraud'Bonne Aventure', prisoner | 'Bonne Aventure', prisoner |
 Henri VilbertGraville, prison guard | Graville, prison guard |
 Pierre ColletPrison director | Prison director |
 Nicolas VogelGrégoire | Grégoire |
 Luciano CatenacciCipriano | Cipriano |
 Lucie ArnoldSinger | Singer |
 Gérard DepardieuYoung crook | Young crook |
 Jacques RispalMr. Dubois, coffin dealer | Mr. Dubois, coffin dealer |
 Jean-Claude MichelXavier Saratov's lawyer | Xavier Saratov's lawyer |
 Gabriel BriandConvict | Convict |
 Jacques BrunetConvict | Convict |
 Jacques MarchandConvict | Convict |
 Dominique ZardiConvict | Convict |
 Albert AugierOwner of the "Scarabée" | Owner of the "Scarabée" |
 Hervé SandRacketeer | Racketeer |
 Andréa FerréolAngry prostitute | Angry prostitute |
| BBernard FontaineKiller, hired by Villanova | Killer, hired by Villanova |
| MMarie-Claude MestralProstitute | Prostitute |
 Henri LambertAngry player | Angry player |
| PPierre DannyMine-sweeping sergeant | Mine-sweeping sergeant |
 Bruno BalpInspector at the morgue | Inspector at the morgue |
