Single Blu-ray disc contains the feature film in high definition and a selection of special features; 2 DVDs contain the feature film and the same selection of special features.

Original Italian language title presented as other title information on container: Indagine su un cittadino al di sopra di ogni sospetto.

"Columbia Pictures"--Container.

Originally released as a motion picture in 1970.

Special features: DVD Disc 1: Elio Petri (exercept from 1970 episode of Frech television program Le journal du cinéma, director Elio Petri talks to film critic Alexandre Astruc); On Investigation (interview with film scholar Camilla Zamboni about the film); Trailers. DVD Disc 2: Elio Petri: notes about a filmmaker (2005, an eighty-minute documentary on the director's career, featuring interviews with friends, collaborators, and filmmakers, including filmmakers Robert Altman, Bernardo Bertolucci, and Gillo Pontecorvo; production designer Dante Ferretti; screenwriter Tonino Guerra; composer Ennio Morricone; and actor Vanessa Redgrave; directed by Federico Bacci, Nicola Guarnei, and Stefano Leone), Investigation of a citizen named Volonté (2008, a sixty-minute documentary about actor Gian Maria Volenté); Music in his blood (2010, an interview with composer Ennio Morricone by Fabio Ferzetti). Blu-ray includes all special features.

Accompanying booklet lists the feature film's cast and credits, an essay by Evan Calder Williams, and excerpts from a 2001 book by screenwriter Ugo Pirro.

Art director, Carlo Egidi ; director of photography, Luigi Kuveiller ; editor, Ruggero Mastroianni ; production designer, Romano Cardarelli ; music, Ennio Morricone ; conductor, Bruno Nicolai.

Gian Maria Volonté, Florinda Bolkan, Gianni Santuccio, Orazio Orlando, Sergio Tramonti, Arturo Dominici, Aldo Rendine, Massimo Foschi, Aleka Paizi, Vittorio Duse, Pino Patti, Salvo Randone.

Blu-ray, region A; 1.85:1 aspect ratio, enhanced for 16:9 widescreen TVs; monaural; requires Blu-ray player.

DVD, region 1; 1.85:1 aspect ratio, enhanced for 16:9 widescreen TVs; monaural.

Italian dialogue; English subtitles.