Gian Maria Volonté

Dottore

Florinda Bolkan

Augusta Terzi

Gianni Santuccio

Police Prefect

Orazio Orlando

Biglia

Sergio Tramonti

Antonio Pace

Arturo Dominici

Mangani

Aldo Rendine

Nicola Panunzio

Massimo Foschi

Augusta's Husband

Αλέκα Παΐζη

Governess

Vittorio Duse

Canes

Pino Patti

Wiretapping Dep. Head

Salvo Randone

Plumber

Fulvio Grimaldi

Patanè

Giuseppe Aguinaldo Nicastro

Filippo De Gara

Ugo Adinolfi

Franco Marletta

Giacomo Bellini

Giuseppe Terranova

Vincenzo Falanga

Roberto Bonanni

Guido Buzzelli

Gino Usai

Calogero Azzaretto

Man Listening the Speech of Dottore (uncredited)

Gianfranco Barra

Interrogation Officer (uncredited)

Aristide Caporale

Man at Police Headquarters (uncredited)

Ettore Geri

Officer Attending the Final Confession (uncredited)

Alfonso Giganti

Policeman (uncredited)

Franco Magno

Officer Attending the Final Confession (uncredited)

Enrico Marciani

Officer Attending the Final Confession (uncredited)

Enzo Mondino

Officer Attending the Final Confession (uncredited)

Mario Pascucci

Policeman (uncredited)

Fulvio Pellegrino

Policeman Listening the Speech of Dottore (uncredited)

Elio Petri

Policeman Sleeping During Dottore's Address (uncredited)

Mario Silvestri

Officer Attending the Final Confession (uncredited)

Alessandro Tedeschi

Man Listening to Speech (uncredited)

Armando Tortorici

Arrested Contestant (uncredited)

Romano Moraschini

Policeman (uncredited)

Ugo Ballester

Officer Attending the Final Confession (uncredited)

Elio Petri

Director

Romano Cardarelli

Production Manager

Bruno Nicolai

Conductor

Elio Petri

Story

Ugo Pirro

Story

Roberto Onorati

Production Secretary

Antonio Gabrielli

First Assistant Director

Lorenzo Magnolia

Second Assistant Director

Armenia Balducci

Script Supervisor

Egidio Spugnini

Assistant Production Design

Adriana Olasio

Assistant Editor

Edoardo Romani

Assistant Editor

Mario Bramonti

Sound

Franco Corridoni

Makeup Artist

Rosa Luciani

Hairstylist

Alfredo Petri

Unit Manager

Hermes Gallippi

Unit Manager

Ruggero Mastroianni

Editor

Luigi Kuveiller

Director of Photography

Daniele Senatore

Producer

Marina Cicogna

Producer

Rosa Luciani

Hair Designer

Ennio Morricone

Original Music Composer

Elio Petri

Screenplay

Ugo Pirro

Screenplay

Angela Sammaciccia

Costume Designer

Ubaldo Terzano

Camera Operator

Antonio Annunziata

Assistant Camera

Romano Cardarelli

Production Director

Bruno Nicolai

Music Director

Carlo Egidi

Production Design

Sergio Emidi

Key Grip

Sergio Coletta

Gaffer

Antonio Gabrielli

Assistant Director

Mario Bramonti

Sound Recordist

Giuseppe Muratori

Boom Operator

Mario Amari

Sound Mixer

Franco Corridoni

Makeup Designer

Mario Tursi

Still Photographer

Lorenzo Magnolia

Assistant Director

Elio Petri

Screenstory

Ugo Pirro

Screenstory