La supertestimone

Ugo Tognazzi as Marino Bottecchia detto 'Mocassino' Orazio Orlando as Charlot, il secondino capo Véronique Vendell as L'amica fotografa Nerina Montagnani as Madre di un detenuto Roy Bosier as Un detenuto Monica Vitti as Isolina Pantò

Ruggero Mastroianni Editor Pio Angeletti Producer Luis Bacalov Original Music Composer Franco Giraldi Director Adriano De Micheli Producer Carlo Di Palma Director of Photography Tonino Guerra Story, Screenplay