Investigation of a Citizen Above Suspicion

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)