| Music |
| Ennio Morricone (Music by), Bruno Nicolai (Conducted by)
|
| Writer |
| Dario Argento (Screenplay by)
|
| Master of Arms |
| Bruno Ukmar (Arms adviser)
|
| Director of Photography |
| Erico Menczer (Director of photography), Roberto Brega (Camera operator), Renato Mascagni (Assistant camera operators), Antonio De Castel Terlago (Assistant camera operators), Maurizio La Monica (Second assistant operator), Rodolfo Filibotto (Gaffer), Maurizio Micalizzi (Key grip)
|
| Editor |
| Franco Fraticelli (Editor), Cesarina Casini (Assistant editor), Sergio Fraticelli (Second assistant editor)
|
| Costumes |
| Luca Sabatelli (Mrs. Spaak's dresses are by)
|
| Story |
| Dario Argento (Based on a story by), Luigi Collo (Based on a story by), Dardano Sacchetti (ans (Based on a story by))
|
| Art Direction |
| Carlo Leva (Art director and wardrobe designer), Romeo Costantini (Assistant set dresser)
|
| Costumes |
| Carlo Leva (Art director and wardrobe designer)
|
| 1. Assistant director |
| Roberto Pariante (Assistant director)
|
| Continuity |
| Renata Franceschi (Script girl)
|
| Still photographer |
| Firmino Palmieri (Still cameraman - (DIAL))
|
| Make up |
| Giuseppe Ferranti (Chief make-up artists), Piero Mecacci (Chief make-up artists), Vincenzo Marchetti (Assistant make-up)
|
| Art Direction |
| Franco Pedacchia (Assistant set dresser)
|
| Hair stylist |
| Maura Turchi (Chief hairdresser)
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| Sound |
| Mario Ronchetti (Mixer), Eugenio Fiore (Boom operator)
|
| Special effects |
| Luciano Anzellotti (Sound effects), Luciano Vittori (Titles and optical effects)
|
| Production company |
| Seda Spettacoli (Spa – Rome), Terra Filmkunst (Berlin), Labrador Film (Paris)
|
| Producer |
| Salvatore Argento (produced by), Angelo Iacono (Production manager), Carlo De Marchis (Production assistants), Giuseppe Mangogna (Production assistants), Carlo Du Bois (Production accountant), Roberta Leoni (Secretary)
|
| Director |
| Dario Argento (Directed by)
|
