Rita Hayworth (Martha Williams)Giuliano Gemma (Jason Williams)Klaus Kinski (Adam Williams)Margaret Lee (Karen)Claudine Auger (Barbara)Serge Marquand (Jimmy)Umberto Raho (Doctor)Carl Cik (Policeman)Paola Natale (Dancer)Hans Thorner (Policeman)Mirella Pamphili (Dancer)Detlef Uhle (T.V. Announcer)Luis BarbooLorenzo RobledoDan van Husen
Jason and Adam are brothers who specialize in jewel heists. Jason is betrayed by Adam, who steals his girlfriend, and has him beaten and left for dead. A female doctor nurses him back to health, and he sets about planning his revenge.