| Actor | Leigh McCloskey (as Mark Elliot), Sacha Pitoëff (as Kazanian), Gabriele Lavia (as Carlo), Feodor Chaliapin Jr. (as Professor Arnold), Leopoldo Mastelloni (as John), James Fleetwood (as Cook), Rosario Rigutini (as Man), Ryan Hilliard (as Shadow), Paolo Paoloni (as Music Teacher), Fulvio Mingozzi (as Taxi Driver), Luigi Lodoli (as Bookbinder ( Rilegatore )), Rodolfo Lodi (as Old Man) |
| Actress | Irene Miracle (as Rose Elliot), Eleonora Giorgi (as Sara), Daria Nicolodi (as Elise Stallone Van Adler), Alida Valli (as Carol), Veronica Lazar (as The Nurse), Ania Pieroni (as Musical Student) |
| Assistant | Lamberto Bava (as Assistant Director), Andrea Piazzesi (as 2nd Assistant Director), Mario Bava (as Second Unit Director ( Uncredited )) |
| Creator | Germano Natali (as Special Effects), Mario Bava (as Special Effects ( Uncredited )), Massimo Lentini (as Costume Design), Luciana Maria Costanzi (as Make-up), Giancarlo De Leonardis (as Make-up), Pierantonio Mecacci (as Make-up) |
| Director | Dario Argento |
| Director Of Photography | Romano Albani |
| Executive Producer | Salvatore Argento, William Garroni |
| Film Editor | Franco Fraticelli |
| Music | Keith Emerson |
| Producer | Claudio Argento |
| Production Company | Produzioni Intersound |
| Production Designer | Giuseppe Bassan |
| Sound | Luciano Anzellotti, Massimo Anzellotti |
| Writer | Dario Argento |
| Links | http://www.imdb.com/title/tt0080923/ · https://www.kinopoisk.ru/film/37235/ · https://www.davinotti.com |
