Directed by
| Mario Bava | ... | (as John M. Old) |
Writing Credits
| Ernesto Gastaldi | ... | (story and screenplay) (as Julian Berry) and |
| Ugo Guerra | ... | (story and screenplay) (as Robert Hugo) and |
| Luciano Martino | ... | (story and screenplay) (as Martin Hardy) |
Cast (in credits order) complete, awaiting verification
| Daliah Lavi | ... | Nevenka | |
| Christopher Lee | ... | Kurt Menliff | |
| Tony Kendall | ... | Christian Menliff | |
| Ida Galli | ... | Katia (as Isli Oberon) | |
| Harriet Medin | ... | Giorgia (as Harriet White) | |
| Gustavo De Nardo | ... | Count Vladimir Menliff (as Dean Ardow) | |
| Jacques Herlin | ... | Priest | |
| Luciano Pigozzi | ... | Losat (as Alan Collins) | |
Produced by
| Giandomenico Leone | ... | producer (uncredited) |
| Joël Lifschutz | ... | co-producer (uncredited) |
| Federico Magnaghi | ... | producer (uncredited) |
| Luciano Martino | ... | producer (uncredited) |
| Elio Scardamaglia | ... | producer (uncredited) |
| René Thévenet | ... | co-producer (uncredited) |
Music by
| Carlo Rustichelli | ... | (as Jim Murphy) |
Cinematography by
| Ubaldo Terzano | ... | (as David Hamilton) |
| Mario Bava | ... | (uncredited) |
Editing by
| Renato Cinquini | ... | (as Rob King) |
Casting By
| Priscilla Contardi | ... | (as Priscilla Huston) |
Art Direction by
| Ottavio Scotti | ... | (as Dick Grey) |
Set Decoration by
| Riccardo Domenici | ... | (as Gus Marrow) |
Costume Design by
| Anna Maria Palleri | ... | (as Peg Fax) |
Makeup Department
| Raffaele Cristini | ... | assistant makeup artist (as Raf Christie) |
| Franco Freda | ... | makeup artist (as Frank Field) |
Production Management
| Libero Balduini | ... | production supervisor (as Free Baldwin) |
| Giovanfrancesco Fantacci | ... | production secretary (as Joe M. Seery) |
| Federico Magnaghi | ... | production manager (as Tom Rhodes) |
| Elio Scardamaglia | ... | general organization (as John Oscar) |
Second Unit Director or Assistant Director
| Ernesto Gastaldi | ... | assistant director (as Julian Berry) (credit only) |
| Sergio Martino | ... | assistant director (uncredited) |
Sound Department
| Rex McCrea | ... | boom operator |
| Aurelio Pennacchia | ... | sound (as Peter Jakson) |
Special Effects by
| Mario Bava | ... | matte paintings (uncredited) / special effects (uncredited) |
Camera and Electrical Department
| G.B. Poletto | ... | still photographer (as Robert Schafer) |
| Ubaldo Terzano | ... | camera operator (as Art Balsam) |
| Guglielmo Vincioni | ... | assistant camera (as Mark Baer) |
| Antonio Rinaldi | ... | gaffer (uncredited) |
Editorial Department
| Lina Caterini | ... | assistant editor (as Cathy Line) |
Music Department
| Luigi Urbini | ... | conductor (uncredited) |
Script and Continuity Department
| Priscilla Contardi | ... | script supervisor (as Priscilla Hudson) |
Additional Crew
| Richard G. Yates | ... | presenter |
| Giulio Bosetti | ... | voice dubbing: Christopher Lee (uncredited) |
| Carlo D'Angelo | ... | voice dubbing: Jacques Herlin (uncredited) |
| Carolyn De Fonseca | ... | voice dubbing: Daliah Lavi (english version) (uncredited) |
| Adriana de Roberto | ... | voice dubbing: Daliah Lavi (uncredited) / voice dubbing: Evelyn Stewart (uncredited) |
| Michele Malaspina | ... | voice dubbing: Gustavo De Nardo (uncredited) |
| Ugo Pagliai | ... | voice dubbing: Tony Kendall (uncredited) |
| Ted Rusoff | ... | voice dubbing: Tony Kendall (US version) (uncredited) |
| Leonardo Severini | ... | voice dubbing: Luciano Pigozzi (uncredited) |
| Dan Sturkie | ... | voice dubbing: Christopher Lee (US version) (uncredited) |
| Mel Welles | ... | dialogue director: English version (uncredited) / voice dubbing: Gustavo De Nardo (US version) (uncredited) |
