Directed by
| Luigi Scattini | ||
Writing Credits (in alphabetical order)
| Bitto Albertini | ... | (story) |
| Adriano Bolzoni | ||
| José Antonio Cascales | ||
| Jaime Comas Gil | ||
| Louis M. Heyward | ||
| Fabio Piccioni | ... | (screenplay) |
| Fabio Piccioni | ... | (story) |
| Rafael Sánchez Campoy | ||
Cast (in credits order)
| Robert Taylor | ... | Prof. Karl Nichols | |
| Anita Ekberg | ... | Paulette | |
 |
Gianna Serra | ... | Jenny |
| Giacomo Rossi Stuart | ... | Ray (as Jack Stuart) | |
| Ángel del Pozo | ... | Alex | |
| Remo De Angelis | ... | Mirko | |
|
|
José Truchado | ... | Theo |
|
|
Ahmad Khamees | ... | Chief Shoukry |
|
|
Mohammed Tawfik | ||
| Lidia Biondi | |||
| Rest of cast listed alphabetically: | |||
| Imad Hamdi | ... | Fouad | |
Produced by
| José Antonio Cascales | ... | executive producer |
| Louis M. Heyward | ... | producer |
| Fulvio Lucisano | ... | producer |
Music by
| Les Baxter | ... | (international version) |
| Roberto Pregadio | ||
Cinematography by
| Félix Mirón | ... | (as Felix Martinez Miron) |
Editing by
| Gaby Peñalba | ... | (as Gabi Peñalba) |
Production Design by
| Flavio Mogherini | ||
Art Direction by
| Luis Argüello | ||
Set Decoration by
| Jaime Pérez Cubero | ... | (as Jaime Perez F. Cubero) |
Costume Design by
| Mariolina Bono | ||
Makeup Department
| Maria Miccinilli | ... | hair stylist |
| Alvaro Rossi | ... | key makeup artist |
| Marisa Tilly | ... | makeup artist (as Maria Luisa Tilli) |
Second Unit Director or Assistant Director
| Kamal El-Shaikh | ... | assistant director |
| Mostafa Gamal Eldein | ... | assistant director (as Mostafà Gamal El Din) |
| Luciano Sacripanti | ... | assistant director |
| Mauro Sacripanti | ... | second assistant director (uncredited) |
Art Department
| Ennio Michettoni | ... | assistant set decorator |
Sound Department
| Bruno Brunacci | ... | sound |
Special Effects by
| Franco Celli | ... | special effects |
| Carlo De Marchis | ... | special effects assistant (uncredited) |
| Carlo Rambaldi | ... | special effects (uncredited) |
Camera and Electrical Department
| Salvatore Caruso | ... | assistant camera |
| Renato Doria | ... | assistant camera |
| Enrico Pagliaro | ... | camera operator |
| Nino Serafini | ... | still photographer |
Editorial Department
| María Carmen Ripoll | ... | assistant editor (as Maria Del Carmen Ripoll) |
Music Department
| Franco Ferrara | ... | conductor (international version) |
| Jerry Styner | ... | composer: additional music (international version) (uncredited) |
Script and Continuity Department
| Silvana Ziviani | ... | script supervisor |
Additional Crew
| Hunt Downs | ... | unit publicist |
| Renato Izzo | ... | voice dubbing: Giacomo Rossi Stuart (uncredited) |
| Giorgio Piazza | ... | voice dubbing: Robert Taylor (uncredited) |
