Directed by
| Sergio Grieco | ... | (as Terence Hathaway) |
Writing Credits (in alphabetical order)
| Lucio Battistrada | ... | (screenplay) (as Lucio Manlio Battistrada) |
| Lucio Battistrada | ... | (story) (as Lucio Manlio Battistrada) |
| Ramón Comas | ... | (screenplay) (as Ramon Comas de Turnes) |
| Ramón Comas | ... | (story) (as Ramon Comas de Turnes) |
| Armando Crispino | ... | (screenplay) |
| Armando Crispino | ... | (story) |
Cast (in credits order)
| Roger Browne | ... | Rex Monroe | |
 |
Aida Power | ... | Oriana |
| Umberto Raho | ... | Vladek (as Umi Raho) | |
| Franco Ressel | ... | Max Fischer (as Frank Ressel) | |
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Franco Lantieri | ... | Addetto ambasciata (as Frank Linston) |
| Tullio Altamura | ... | Ambasciatore | |
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Miguel de la Riva | ... | Manolo (as Michael Rivers) |
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Julio Pérez Tabernero | ... | Bernard |
| Tito García | ... | Ben | |
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Giovanni Ivan Scratuglia | ... | (as Ivan Sorat) |
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Ángela Alargunsolo | ... | Mayan Princess Companion |
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Jules Benning | ||
| Ida Galli | ... | Ethel Fischer (as Evelyne Stewart) | |
| Rest of cast listed alphabetically: | |||
| Erika Blanc | ... | Lady in Greenhouse (uncredited) | |
Produced by
| José María Rodríguez | ... | line producer |
Music by
| Piero Umiliani | ||
Cinematography by
| Eloy Mella | ||
Editing by
| Renato Cinquini | ||
Set Decoration by
| Augusto Lega | ||
| Antonio Visone | ||
Makeup Department
| Maurizio Giustini | ... | makeup artist |
Production Management
| Giovanni A. Giurgola | ... | production supervisor |
| Aldo U. Passalacqua | ... | production manager |
Second Unit Director or Assistant Director
| Antonio Gandía | ... | assistant director (as Antonio M. Gandía) |
| Giulio Pannaccio | ... | assistant director |
Sound Department
| Franco Bassi | ... | sound |
| Bernardino Fronzetti | ... | sound |
Camera and Electrical Department
| Giulio Battiferri | ... | camera operator |
| Ramón Fernández Prestamero | ... | camera operator |
| Mario Mancini | ... | camera operator |
Editorial Department
| Laura Gaggianti | ... | assistant editor |
Additional Crew
| Lee Brever | ... | dialogue: American version |
| Jacques Michau | ... | dubbing director: American version |
| Russ Moro | ... | director: American version |
| Gino Baghetti | ... | voice dubbing: Tullio Altamura (uncredited) |
| Cesare Barbetti | ... | voice dubbing: Miguel de la Riva (uncredited) |
| Fiorella Betti | ... | voice dubbing: Aida Power (uncredited) |
| Massimo Foschi | ... | voice dubbing: Franco Lantieri (uncredited) |
| Sergio Graziani | ... | voice dubbing: Umberto Raho (uncredited) |
| Pino Locchi | ... | voice dubbing: Roger Browne (uncredited) |
| Melina Martello | ... | voice dubbing: Angela Alargunsoro (uncredited) |
| Glauco Onorato | ... | voice dubbing: Tito García (uncredited) |
| Daniele Tedeschi | ... | voice dubbing: Franco Ressel (uncredited) |
