When Milanese salesman Piero witnesses the mob killing of a prominent magistrate, he testifies in court. The government puts him into the witness protection program, but the traumatic experiences he suffers leaves him wondering if he should have remained silent.
| Actor | Role |
|---|---|
 Fabrizio BentivoglioPiero Nava | Piero Nava |
 Claudio AmendolaSandro Nardella | Sandro Nardella |
 Arnaldo NinchiCataldi | Cataldi |
 Margherita BuyFranca Nava | Franca Nava |
 Carlo CartierLuciani | Luciani |
 Maurizio DonadoniTurrini | Turrini |
 Antonio PetrocelliSferladza | Sferladza |
 Paolo Maria ScalondroRostagno | Rostagno |
| PPierfrancesco PergoliLuca Nava | Luca Nava |
 Biagio PelligraNot listed | Not listed |
 Sara FranchettiNot listed | Not listed |
 Helmut HagenNot listed | Not listed |
 Mauro MarinoNot listed | Not listed |
| FFederica CocuccioniNot listed | Not listed |
 Cesare ApolitoNot listed | Not listed |
 Marco BonettiNot listed | Not listed |
| MMassimiliano BorracettiNot listed | Not listed |
| AAntonio CampaNot listed | Not listed |
| AAchille D'AnielloDe Vincenzi | De Vincenzi |
 Paolo MontevecchiDomenico Pace | Domenico Pace |
| DDino GiaconiNot listed | Not listed |
| GGuido MorbelloNot listed | Not listed |
 Irina PantaevaNot listed | Not listed |
 Claudio SpadaroNot listed | Not listed |
 Hermann WeiskopfNot listed | Not listed |