| Approved: No. 22129 | Motion Picture Association of America (MPAA) |
| Art Director | Sergio Canevari |
| Assistant Camera | Antonio Annunziata, Michele Picciaredda |
| Assistant Continuity | Daniela Corbi |
| Assistant Director | Mario Chiari |
| Assistant Editor | Adriana Olasio |
| Assistant Production Designer | Amedeo Fago |
| Camera Operator | Ubaldo Terzano |
| Cast | Franco Nero (as Leonardo Ferri), Vanessa Redgrave (as Flavia), Georges Géret (as Attilio), Gabriella Boccardo (as Wanda), Madeleine Damien (as Wanda's Mother), Valerio Ruggeri, Rita Calderoni (as Egle), Renato Menegotto (as Egle's Friend), Arnaldo Momo (as Villager), Sara Momo (as Villager), Otello Cazzola (as Villager), Constantino De Luca (as Villager), Marino Bagiola (as Villager), Piero De Franceschi (as Villager), Camillo Besenzon (as Villager), Renato Lupi, Umberto Di Grazia, Giuseppe Bella, Bruna Simionato, Onofrio Fulli, Elena Vicini, John Francis Lane (as Asylum Attendant (uncredited)), David Maunsell (as Medium (uncredited)), Giulia Menin (as Villager (uncredited)), Graziella Simionato (as Villager (uncredited)), Mirta Simionato (as Villager (uncredited)) |
| Cinematographer | Luigi Kuveiller |
| Continuity | Enzo Ocone |
| Costume Design | Franco Carretti |
| Costumes: Vanessa Redgrave And Franco Nero | Giulio Coltellacci |
| Director | Elio Petri |
| Distributor | Produzioni Europee Associate (PEA) (as (1968) (Italy) (theatrical)), Les Artistes Associés (as (1969) (France) (theatrical)), United Artists (as (1970) (UK) (theatrical) (dubbed)), Lopert Pictures Corporation (as (1970) (USA) (theatrical) (dubbed)), United Artists (as (1970) (Austria) (theatrical)), United Artists of Japan (as (1971) (Japan) (theatrical)) |
| Dressmakers: Mrs. Vanessa Redgrave's Dresses Made By | Ditta Mayer |
| Dubbing | Cooperativa Doppiaggio Cinematografico (CDC) (I) (II) |
| Dubbing Director | Mario Maldesi |
| Dubbing: English Version | Titan Productions (as (uncredited)) |
| Film Editor | Ruggero Mastroianni |
| Gaffer | Sergio Coletta |
| Key Grip | Sergio Emidi |
| Made By: Mr. Franco Nero's Costumes | Piattelli |
| Make-up Artist | Pierantonio Mecacci |
| Music | Ennio Morricone |
| Music Publishers | Eureka Edizioni Musicali |
| Musician (As Gruppo Di Improvvisazione Nuova Consonanza) | Mario Bertoncini, Walter Branchi, Franco Evangelisti, John Heineman, Egisto Macchi, Ennio Morricone |
| Paintings | Jim Dine |
| Post-Production Coordinator | Enzo Ocone |
| Producer | Alberto Grimaldi |
| Production Company | Produzioni Europee Associate (PEA), Les Productions Artistes Associés |
| Production Company (Co-Production) | Produzioni Associate Delphos (as (uncredited)) |
| Production Designer | Sergio Canevari |
| Production Manager | Gino Millozza |
| Production Secretary | Stefano Pegoraro |
| Production Supervisor | Alfredo Petri |
| Published By: Special Photographs | Kanrom, New York |
| Sound | Mario Bramonti |
| Sound Mixer | Emilio Rosa |
| Special Photographs | Treasure Chests |
| Still Photographer | Claudio Patriarca |
| Studios | Cinecittà |
| Synchronization | International Recordings |
| Voice Dubbing: Franco Nero | Massimo Turci (as (uncredited)) |
| Voice Dubbing: Gabriella Grimaldi | Melina Martello (as (uncredited)) |
| Voice Dubbing: Georges Géret | Aldo Giuffrè (as (uncredited)) |
| Voice Dubbing: Madeleine Damien | Benita Martini (as (uncredited)) |
| Voice Dubbing: Renato Menegotto | Gino La Monica (as (uncredited)) |
| Voice Dubbing: Rita Calderoni | Vittoria Febbi (as (uncredited)) |
| Voice Dubbing: Valerio Ruggeri | Pino Colizzi (as (uncredited)) |
| Voice Dubbing: Vanessa Redgrave | Rita Savagnone |
| Writer (Novel) | Oliver Onions (as (uncredited)) |
| Writer (Screenplay And Dialogue) | Luciano Vincenzoni, Elio Petri |
| Writer (Story) | Tonino Guerra, Elio Petri |
| Links | http://www.imdb.com/title/tt0065119/?ref_=nv_sr_1 |
