Professore Paolo Laurana
Gian Maria Volonté
Luisa Roscio
Irene Papas
Rosina
Luciana Scalise
La Marca
Orio Cannarozzo
Signora Manno
Anna Rivero
Michele Jannucci
Dr. Antonio Roscio
Franco Tranchina
Carlo Ferro
Arciprete
Carmelo Oliviero
Valentino Macchi
Aldo Cascino
Avvocato Rosello
Gabriele Ferzetti
Roscio's Mutter
Laura Nucci
curato di Sant'Amo
Mario Scaccia
Arturo Manno
Luigi Pistilli
deputato comunista
Leopoldo Trieste
Professore Roscio
Salvo Randone
Raganà
Giovanni Pallavicino
Tanina Zappalà
Editor
Ruggero Mastroianni
Screenplay
Elio Petri
Director
Line Producer
Gino Millozza
Novel
Leonardo Sciascia
Original Music Composer
Luis Bacalov
Ugo Pirro
Set Decoration
Giuliana Serano
Production Design
Sergio Canevari
Producer
Giuseppe Zaccariello
Costume Design
Luciana Marinucci
Makeup Artist
Pierantonio Mecacci
Assistant Camera
Antonio Annunziata
Production Manager
Felice D'Alisera
First Assistant Director
Marcello Crescenzi
Script Supervisor
Luigina Lovari
Still Photographer
Antonio Di Bucci
Camera Operator
Danilo Desideri
Assistant Editor
Adriana Olasio
Sound
Mario Bramonti
Production Secretary
Claudia Fedele
Assistant Costume Designer
Sound Mixer
Mario Morigi
Director of Photography
Luigi Kuveiller
Unit Manager
Enzo Merlini Fiore