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
Aleka Paizi
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
Franco Corridoni
Makeup Artist
Lorenzo Magnolia
Second Assistant Director
Romano Cardarelli
Production Manager
Antonio Gabrielli
First Assistant Director
Armenia Balducci
Script Supervisor
Adriana Olasio
Assistant Editor
Elio Petri
Story
Rosa Luciani
Hairstylist
Mario Bramonti
Sound
Roberto Onorati
Production Secretary
Edoardo Romani
Assistant Editor
Bruno Nicolai
Conductor
Ugo Pirro
Story
Egidio Spugnini
Assistant Production Design
Hermes Gallippi
Unit Manager
Alfredo Petri
Unit Manager
Luigi Kuveiller
Director of Photography
Ruggero Mastroianni
Editor
Marina Cicogna
Producer
Daniele Senatore
Producer
Rosa Luciani
Hair Designer
Ugo Pirro
Screenplay
Angela Sammaciccia
Costume Designer
Elio Petri
Screenplay
Ennio Morricone
Original Music Composer
Carlo Egidi
Production Design
Romano Cardarelli
Production Director
Antonio Annunziata
Assistant Camera
Bruno Nicolai
Music Director
Ubaldo Terzano
Camera Operator
Mario Bramonti
Sound Recordist
Mario Amari
Sound Mixer
Giuseppe Muratori
Boom Operator
Antonio Gabrielli
Assistant Director
Sergio Emidi
Key Grip
Sergio Coletta
Gaffer
Franco Corridoni
Makeup Designer
Mario Tursi
Still Photographer
Ugo Pirro
Screenstory
Lorenzo Magnolia
Assistant Director
Elio Petri
Screenstory