Directed by
| Giovanni Scolaro | ... | (as Nino Scolaro) |
| Sandy Howard | ... | (supervising) |
Writing Credits (in alphabetical order)
| Jack DeWitt | ... | (writer) |
| Sandy Howard | ... | (writer) |
| Robert L. Joseph | ... | (uncredited) |
| Eduardo Manzanos | ... | (screenplay) (as Eduardo Manzanos Brochero) |
| Eduardo Manzanos | ... | (story) (as Eduardo Manzanos Brochero) |
| Mario Siciliano | ... | (dialogue) (as Marlon Sirko) |
| Mario Siciliano | ... | (screenplay) (as Marlon Sirko) |
Cast (in credits order) complete, awaiting verification
| Ty Hardin | ... | Lt. King Edwards | |
| Pier Angeli | ... | Ann Peterson (as Anna Maria Pierangeli) | |
| Rossano Brazzi | ... | Dr. Hamilton | |
| George Sanders | ... | Capt. Walter Phillips | |
| Helga Liné | ... | Deborah | |
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Dale Cummings | ... | Zeke - the Bartender |
| Jorge Rigaud | ... | Anders | |
| Julio Peña | |||
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Charles Fawcett | ||
| Luciano Pigozzi | ... | Kirby (as Alan Collins) | |
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Pamela Tudor | ||
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Miguel del Castillo | ... | Tachard (as Michael Castilla) |
| Antonio Mayans | ... | Mario | |
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Fred Coplan | ||
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Martha Villardi | ||
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Fernando Villena | ||
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Salvatore Lago | ||
| Simon Sabela | |||
| Rest of cast listed alphabetically: | |||
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Franca Celli | ||
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Mario d'Attino | ||
| Mario Donatone | |||
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Emanuele Gonzales | ||
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Elton Quiroga | ||
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Aldo Bufi Landi | ... | (uncredited) |
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Valentino Macchi | ... | (uncredited) |
Produced by
| Sandy Howard | ... | producer |
| Jack O. Lamont | ... | executive producer |
| Eduardo Manzanos | ... | associate producer (as Eduardo Manzanos Brochero) |
| Sven Persson | ... | associate producer |
| Mario Siciliano | ... | producer |
Music by
| Gianni Marchetti | ||
Cinematography by
| Julio Ortas | ||
| Sven Persson | ||
Editing by
| Romeo Ciatti | ||
| Juan Serra | ||
Art Direction by
| José Luis Galicia | ||
| Jaime Pérez Cubero | ||
Set Decoration by
| Emilio Zago | ||
Costume Design by
| Elio Micheli | ||
| Ruth St. Moritz | ||
Makeup Department
| Derrick Bosch | ... | makeup artist |
| Ernesta Cesetti | ... | hair stylist |
| Pierantonio Mecacci | ... | makeup artist (as Piero Mecacci) |
Production Management
| Ignacio Gutiérrez | ... | production manager |
| Antonio Morelli | ... | general manager |
Second Unit Director or Assistant Director
| Corrado Caserta | ... | assistant director |
| Antonio Tarruella | ... | assistant director |
Camera and Electrical Department
| Alberto Marrama | ... | camera operator |
| Grenville Middleton | ... | camera operator |
| Antonio Ortas | ... | still photographer |
| Santiago Zuazo | ... | assistant camera |
Music Department
| Bob Harris | ... | composer: title theme |
Script and Continuity Department
| Isabel Mulá | ... | continuity / script supervisor |
