Directed by
| Saul Swimmer | ||
Writing Credits (in alphabetical order)
| Victor Miller | ||
| Scott O'Dell | ... | (novel) |
| Tony Recoder | ||
| Rodney Sheldon | ||
Cast (in credits order)
| Carlos Estrada | ... | Blas | |
| Perla Cristal | ... | Mrs. Salazar | |
 |
Mario Custodio | ... | Ramón |
| Emilio Rodríguez | ... | Padre Gallardo | |
| Carl Anderson | ... | Moro | |
| Jorge Rigaud | ... | Pearl Expert (as George Rigaud) | |
|
|
Rafael Cabarcos | ... | Child |
| Aldo Sambrell | ... | Sailor | |
| Ricardo Palacios | ... | Merchant | |
| José Crespo | ... | Merchant | |
|
|
Jaime Doria | ... | Merchant |
|
|
Lucy Tiller | ... | Mrs. Santos |
|
|
José Nieto | ... | Dealer |
| Barta Barri | ... | Luis | |
| Rest of cast listed alphabetically: | |||
| Claudia Gravy | |||
| Gilbert Roland | ... | Master Diver | |
Produced by
| William Cash | ... | executive producer |
| Saul Swimmer | ... | producer |
| Stan Torchia | ... | producer |
Music by
| Eumir Deodato | ... | (as Deodato) |
Cinematography by
| Manuel Berenguer | ... | director of photography |
Editing by
| Howard Lester | ||
Set Decoration by
| Rafael Ferri | ... | (as Rafael Ferri Jorda) |
Makeup Department
| Ricardo Vázquez | ... | makeup artist (as Ricardo Vazquez Sese) |
Second Unit Director or Assistant Director
| Kuki López Rodero | ... | assistant director (as Juan Carlos Lopez Rodero) |
Art Department
| Mentor Huebner | ... | production illustrator |
Sound Department
| Gary C. Bourgeois | ... | re-recording mixer |
| Kenneth Heeley-Ray | ... | supervising sound editor |
| Don White | ... | sound recordist (uncredited) |
Special Effects by
| Antonio Molina | ... | special effects (as Antonio Molina Biedma) |
| Richard Parker | ... | special effects (as Dick Parker) |
Stunts
| Eddie Stacey | ... | stunt coordinator |
Camera and Electrical Department
| Dave Everall | ... | rigger |
| Robin Lehman | ... | special cinematography |
| Ramiro Sabell | ... | first assistant camera |
