Directed by
| Jesús Franco | ... | (as Jess Franco) |
Writing Credits
| Sax Rohmer | ... | (characters) |
| Harry Alan Towers | ... | (screenplay) (as Peter Welbeck) |
| Jaime Jesús Balcázar | ... | (dialogue: Spanish version) |
| Manfred Barthel | ... | (screenplay) |
| Manfred Barthel | ... | (story) |
| Michael Haller | ... | (uncredited in English version) (uncredited) |
Cast (in credits order) verified as complete
Produced by
| Jaime Jesús Balcázar | ... | producer (uncredited in English version) (uncredited) |
| Harry Alan Towers | ... | producer |
Music by
| Charles Camilleri | ||
| Malcomb Shelby | ||
| Gert Wilden | ... | (german version score) |
Cinematography by
| Manuel Merino | ||
Editing by
| John Colville | ||
Production Design by
| Santiago Ontañón | ... | (as Santiago Ontanon) |
Costume Design by
| Berenice Sparano | ||
Makeup Department
| Ascensión Hernández | ... | assistant makeup artist |
| Adrián Jaramillo | ... | key makeup artist |
| Peter Jonas | ... | assistant makeup artist |
| Vicenta Salvadó | ... | hair stylist (as Vicenta Salvador) |
Production Management
| Juan Estelrich | ... | production manager (as Juan Estelriech) |
| Remo Odevaine | ... | production leader |
Second Unit Director or Assistant Director
| Federico Canudas | ... | assistant director |
| Ricardo Franco | ... | assistant director |
Sound Department
| Adrian McDonald | ... | dubbing editor |
| Tommy Myers | ... | dubbing mixer |
| Hermann Storr | ... | sound editor |
Costume and Wardrobe Department
| Helga Lange | ... | assistant wardrobe |
| María Luisa Soriano | ... | wardrobe (as Maruja Soriano) |
Editorial Department
| María Luisa Soriano | ... | supervising editor |
Music Department
| Charles Camilleri | ... | conductor |
Script and Continuity Department
| Herminia Arnau | ... | script supervisor |
Additional Crew
| Bruno Leder | ... | production assistant |
| Lamberto Palmieri | ... | production assistant |
| Ginés Rodríguez | ... | production assistant |
| Paul Bürks | ... | voice dubbing: Howard Marion-Crawford (uncredited) |
| Heinz Engelmann | ... | voice dubbing: Richard Greene (uncredited) |
| Norbert Gastell | ... | voice dubbing (uncredited) |
| Wolfgang Hess | ... | voice dubbing: José Manuel Martín (uncredited) |
| Dinah Hinz | ... | voice dubbing: Tsai Chin (uncredited) |
| Robert Klupp | ... | voice dubbing: Gustavo Re (uncredited) |
| Ernst Kuhr | ... | voice dubbing: Burt Kwouk and Osvaldo Genezzani (uncredited) |
| Kurt E. Ludwig | ... | voice dubbing (uncredited) |
| Bruno W. Pantel | ... | voice dubbing: Jesús Franco (uncredited) |
| Eva Pflug | ... | voice dubbing: Rosalba Neri (uncredited) |
| Helga Trümper | ... | voice dubbing: Maria Perschy (uncredited) |
| Herbert Weicker | ... | voice dubbing: Christopher Lee (uncredited) |
