Directed by
| Julio Salvador | ||
| Ray Danton | ... | (directed by: new footage) |
Writing Credits
| Lois Gibson | ... | (story by: U.S. version) |
| Lou Shaw | ... | (screenplay by: U.S. version) |
| Ricardo Ferrer | ... | (story) |
| Julio Salvador | ... | (screenplay) |
Cast (in credits order) verified as complete
| Andrew Prine | ... | Chris | |
| Mark Damon | ... | Peter | |
| Patty Shepard | ... | Mary (as Patty Sheppard) | |
| Teresa Gimpera | ... | Hannah | |
| Ihsan Gedik | ... | The Wild Man (as Ihsan Genik) | |
 |
Mariano García Rey | ... | Prof. Bolton (as Mariano Rey) |
| Frank Braña | ... | Blind Sailor (as Frank Brana) | |
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Edward Walsh | ... | Adnan's Father |
| John Alderman | ... | First Fisherman | |
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Jack La Rue Jr. | ... | Adnan |
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Jem Osmanoglu | ... | Little Boy |
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Shera Osman | ... | Little Girl |
| Rest of cast listed alphabetically: | |||
| Daniel Martín | ... | Gero | |
Produced by
| George Ferrer | ... | executive producer (as Jorge Ferrer) |
| Wolf Schmidt | ... | executive producer |
| Lou Shaw | ... | producer (produced by) |
Music by
| Phillip Lambro | ... | (music composed by) |
Cinematography by
| Juan Gelpí | ... | director of photography |
Editing by
| Albert Gasset Nicolau | ... | (as Alberto G. Nicolau) |
| David Rawlins | ||
Art Direction by
| Juan Alberto Soler | ... | (as Juan Alberto) |
Makeup Department
| Carmen Díez | ... | assistant makeup artist (as Carmen Diez) |
| Mariano García Rey | ... | makeup artist |
| Hipólita López | ... | hair stylist (as H. Lopez) |
Production Management
| Antonio R. Espinosa | ... | production manager (as Antonio Espinoza) |
| Ali Taygun | ... | unit manager |
Second Unit Director or Assistant Director
| Gil Carretero | ... | assistant director |
Art Department
| Ramón Miró | ... | property master (as Ramon Miron) |
Sound Department
| Marvin Kerner | ... | sound effects (as Marv Kerner) |
Special Effects by
| Antonio Molina | ... | special effects (as A. Molina) |
Camera and Electrical Department
| Manuel Garrido | ... | assistant camera |
| Santiago Rodríguez | ... | camera operator (as Santiago Rodriguez) |
| Elpidio San Jose | ... | head grip |
Editorial Department
| Neil Brunnenkant | ... | assistant editor |
Music Department
| Phillip Lambro | ... | conductor |
| Jack K. Tillar | ... | music editor (as Jack Tillar) |
Script and Continuity Department
| Piero Sciumè | ... | script supervisor (as Piero Sciume) |
Additional Crew
| Ray Danton | ... | director: extra footage for English language version |
| Peri Osmanoglu | ... | production assistant |
| Manuel Cano | ... | voice dubbing: Andrew Prine (uncredited) |
| Vicenç Manel Domènech | ... | voice dubbing (uncredited) |
| Francisco Garriga | ... | voice dubbing: Frank Braña (uncredited) |
| Rosa Guiñón | ... | voice dubbing: Patty Shepard (uncredited) |
| Antonio Gómez de Vicente | ... | voice dubbing (uncredited) |
| Federico Menescal | ... | voice dubbing: Jack La Rue Jr. (uncredited) |
| Ricard Solans | ... | voice dubbing: Mark Damon (uncredited) |
