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
Professore Paolo Laurana
Irene Papas
Luisa Roscio
Gabriele Ferzetti
Avvocato Rosello
Laura Nucci
Roscio's Mutter
Mario Scaccia
curato di Sant'Amo
Luigi Pistilli
Arturo Manno
Leopoldo Trieste
deputato comunista
Salvo Randone
Professore Roscio
