La supertestimone

Monica Vitti as Isolina Pantò 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

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