"A leftist professor wants the truth about two men killed during a hunting party; but the mafia, the Church and corrupt politicians don't want him to learn it."
Gian Maria Volonté
as Professore Paolo Laurana
Irene Papas
as Luisa Roscio
Gabriele Ferzetti
as Avvocato Rosello
Laura Nucci
as Roscio's Mutter
Mario Scaccia
as curato di Sant'Amo
Luigi Pistilli
as Arturo Manno
Leopoldo Trieste
as deputato comunista
Salvo Randone
as Professore Roscio
Giovanni Pallavicino
as Raganà
Tanina Zappalà
as
Luciana Scalise
as Rosina
Orio Cannarozzo
as La Marca
Anna Rivero
as Signora Manno
Michele Jannucci
Franco Tranchina
as Dr. Antonio Roscio
Carlo Ferro
Carmelo Oliviero
as Arciprete
Valentino Macchi
Aldo Cascino
Sergio Canevari
Production Design
Giuliana Serano
Set Decoration
Elio Petri
Director
Screenplay
Ugo Pirro
Leonardo Sciascia
Novel
Giuseppe Zaccariello
Producer
Luciana Marinucci
Costume Design
Pierantonio Mecacci
Makeup Artist
Gino Millozza
Line Producer
Luis Bacalov
Original Music Composer
Danilo Desideri
Camera Operator
Antonio Annunziata
Assistant Camera
Mario Bramonti
Sound
Marcello Crescenzi
First Assistant Director
Luigina Lovari
Script Supervisor
Assistant Costume Designer
Adriana Olasio
Assistant Editor
Antonio Di Bucci
Still Photographer
Felice D'Alisera
Production Manager
Claudia Fedele
Production Secretary
Mario Morigi
Sound Mixer
Luigi Kuveiller
Director of Photography
Enzo Merlini Fiore
Unit Manager
Ruggero Mastroianni
Editor