Gian Maria Volonté
Dottore
Florinda Bolkan
Augusta Terzi
Gianni Santuccio
Police Prefect
Sergio Tramonti
Antonio Pace
Aldo Rendine
Nicola Panunzio
Massimo Foschi
Augusta's Husband
Pino Patti
Wiretapping Dep. Head
Giuseppe Aguinaldo Nicastro
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)