Directed by
| Santos Alcocer | ||
| Edward Mann | ||
Writing Credits
| John Melson | ... | (screenplay) & |
| Edward Mann | ... | (screenplay) |
| José Luis Bayonas | ... | (written by) (uncredited) |
Cast (in credits order) verified as complete
| Jean-Pierre Aumont | ... | Claude Marchand | |
| Boris Karloff | ... | Franz Badulescu | |
| Viveca Lindfors | ... | Tania Badulescu | |
| Rosenda Monteros | ... | Valerie | |
| Milo Quesada | ... | Shanghai | |
| Dyanik Zurakowska | ... | Elga (as Dianik Zurakowska) | |
| Rubén Rojo | ... | Pablo (as Ruben Rojo) | |
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Jacqui Speed | ... | Pilar |
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Mercedes Rojo | ... | Gypsy Queen |
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Mary Lou Palermo | ... | Stewardess |
| Manuel de Blas | ... | Lenny | |
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Eduardo Coutelenq | ... | Domingo (as Eduardo Coutelen) |
Produced by
| Donald Havens | ... | associate producer (as Donald Havens Jr.) |
| Edward Mann | ... | producer |
| Gilbert Simmons | ... | associate producer |
| Robert D. Weinbach | ... | producer |
Music by
| Ray Ellis | ||
| José Luis Navarro | ... | (spanish version) |
Cinematography by
| Francisco Sempere | ... | director of photography |
Editing by
| José Antonio Rojo | ... | (as J. Antonio Rojo) |
Art Direction by
| Gil Parrondo | ||
Makeup Department
| Gloria Castellanos | ... | hair stylist |
| Josefina del Barco | ... | assistant makeup artist (as Josefa del Barco) |
| Manolita G. Fraile | ... | makeup artist (as Manolita Garcia Fraile) |
| R. Vega | ... | additional makeup |
Production Management
| Sergio Newman | ... | in charge of production |
| Ángel Rosson y Rubio | ... | production manager (as Angel Rosson) |
Second Unit Director or Assistant Director
| Julio Sempere | ... | first assistant director |
Art Department
| Faustino Garcinuño | ... | props (as F. Garcinuño) |
| Antonio Patón | ... | assistant art director (as Antonio Paton) |
| Francisco Yagüe | ... | props (as F. Yague) |
Sound Department
| Luis Castro | ... | sound effects |
| Alberto Escobedo | ... | sound engineer |
| Peter Parasheles | ... | sound editor (as Peter Parascheles) |
Special Effects by
| Thierry Pathé | ... | special effects supervisor |
Stunts
| Scott Miller | ... | fight arranger |
Camera and Electrical Department
| Ricardo Andreu | ... | camera operator |
| Miguel Guzmán | ... | still photographer (as Miguel Guzman) |
| Robert J. Peterson Jr. | ... | additional photography |
| Ramón Sempere | ... | second unit camera operator (as Ramon Sempere) |
| José Antonio Villalba | ... | second unit camera assistant (as Jose Villalba) |
| Santiago Zuazo | ... | camera assistant |
Costume and Wardrobe Department
| Manolita Iglesias | ... | wardrobe |
Editorial Department
| Eulalia Martín | ... | second assistant editor (as Eulalia Martin) |
| Concepción Piño | ... | assistant editor (as Pino Concepcion) |
Music Department
| Ray Ellis | ... | arranger / conductor |
Script and Continuity Department
| Marisol de Villanueva | ... | script clerk (as Marisol Villanuva) |
Additional Crew
| Miguel Asensio | ... | production assistant (as M. Asensio) |
| Jerónimo Montoro | ... | production assistant (as J. Montoro) |
| Thierry Pathé | ... | laboratory supervisor / technical supervisor |
| Edward J. Whyte III | ... | production assistant |
| Ángel María Baltanás | ... | voice dubbing: Jean-Pierre Aumont (uncredited) |
| Rafael Calvo Revilla | ... | voice dubbing (uncredited) |
| Pilar Calvo | ... | voice dubbing: Mercedes Rojo (uncredited) |
| José Carabias | ... | voice dubbing: Eduardo Coutelenq (uncredited) |
| Irene Guerrero de Luna | ... | voice dubbing: Viveca Lindfors (uncredited) |
| Mari Ángeles Herranz | ... | voice dubbing: Dyanik Zurakowska (uncredited) |
| Carlos Revilla | ... | voice dubbing: Milo Quesada (uncredited) |
| Francisco Sánchez | ... | voice dubbing: Boris Karloff (uncredited) |
| Joaquín Vidriales | ... | voice dubbing (uncredited) |