 Alain DelonRoch Siffredi | Roch Siffredi |
 Riccardo CucciollaVolpone | Volpone |
 Daniel IvernelInspector Fanti | Inspector Fanti |
 Reinhard KolldehoffSam | Sam |
 Catherine RouvelLola | Lola |
 Lionel VitrantFernand | Fernand |
 André FalconInspector Cazenave | Inspector Cazenave |
| AAdolfo LastrettiLuciano | Luciano |
 Pierre KoulakSpada | Spada |
 Serge DavriCharlie | Charlie |
 Greg GermainLe 'Nègre' | Le 'Nègre' |
 Marius LaureyInspector Teissère | Inspector Teissère |
 Günter MeisnerDoctor | Doctor |
 Jacques DebaryPrefect | Prefect |
 Djelloul BeghouraLucien | Lucien |
 Anton DiffringGerman | German |
 Bruno BalpSpectator of the Alcazar | Spectator of the Alcazar |
 Yvan ChiffreNot listed | Not listed |
 Günter SpörrleGiuliano (uncredited) | Giuliano (uncredited) |
 Henri AttalGuard at the Asylum (uncredited) | Guard at the Asylum (uncredited) |
 Roger LumontBoss of the Bar De La Marine (uncredited) | Boss of the Bar De La Marine (uncredited) |
 Marc EyraudChief Medical Officer of the Asylum (uncredited) | Chief Medical Officer of the Asylum (uncredited) |
 Jacques PisiasMan of Sam (uncredited) | Man of Sam (uncredited) |
 Joëlle BernardMadam (uncredited) | Madam (uncredited) |
 Marie MarczackEmployee of the Alcazar (uncredited) | Employee of the Alcazar (uncredited) |
 Janine SouchonNun at the Asylum (uncredited) | Nun at the Asylum (uncredited) |
 Sylvain LévignacDoorman (uncredited) | Doorman (uncredited) |
 Philippe CastelliHairdresser (uncredited) | Hairdresser (uncredited) |
 Marcel GassoukCard Player (uncredited) | Card Player (uncredited) |
 Maurice AuzelPoliceman / Man of Sam (uncredited) | Policeman / Man of Sam (uncredited) |
