
Investigation of a Citizen Above Suspicion
Rome, Italy. After committing a heinous crime, a senior police officer exposes evidence incriminating him because his moral commitment prevents him from circumventing the law and the social order it protects.

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)