Claudio Lacroics, a French-born prosecutor, is in Sicily to fight the Mafia. Every day he clashes with the beliefs of a community where the only rules are prejudice and silence. In addition, Claudio has married Lucienne and welcomes his sister Roberta into his home; she returns only to ask for money with her lover Richard.
| Actor | Role |
|---|---|
 Lang JeffriesProf. Claudio Lacroics | Prof. Claudio Lacroics |
 Annabella IncontreraLucienne | Lucienne |
 Femi BenussiRoberta | Roberta |
| LLuciana PaoliRosalia | Rosalia |
 Giancarlo Del DucaRichard | Richard |
 Grazia Di MarzàConcetta Masullo | Concetta Masullo |
| PPaolo TodiscoAvv. Ignazio Stascio | Avv. Ignazio Stascio |
| PPaola PittiAgata | Agata |
 Nino VingelliMayor | Mayor |
 Enzo AndronicoLuca Pastore | Luca Pastore |
 Lino BanfiNot listed | Not listed |
 Ugo CarboniNot listed | Not listed |
| MMario De RosaNot listed | Not listed |
| AArmando Del VecchioNot listed | Not listed |
 Gina MascettiNot listed | Not listed |
 Gianni RidolfiNot listed | Not listed |
| AAntonio TomaNot listed | Not listed |
 Oscar SciamannaAlessandro Lanzini (uncredited) | Alessandro Lanzini (uncredited) |