Directed by
| Jesús Franco | ||
Writing Credits (in alphabetical order)
| José Antonio Arévalo | ||
| Gonzalo Cañas | ||
| Jesús Franco | ||
| Jules Verne | ... | (novel) |
Cast (in credits order) complete, awaiting verification
 |
José Manuel Marcos | ... | Dick Sand |
| Edmund Purdom | ... | Admiral Marlowe | |
| Marc Cassot | ... | Captain Hull | |
|
|
Doris Thomas | ... | Clara Marlowe |
| Howard Vernon | ... | Korda | |
| Armand Mestral | ... | Harris | |
| William Berger | ... | Negoro | |
| Fernando Bilbao | ... | Hercules | |
|
|
Sergio Mendizábal | ... | Benedict |
| Luis Barboo | ... | Sailor | |
| Alberto Dalbés | ... | Vargas | |
|
|
Marisol Delgado | ... | Clara's maid |
| Gonzalo Cañas | ... | Bat | |
| Rest of cast listed alphabetically: | |||
| Perrette Pradier | ... | Clara Marlowe (voice) (uncredited) | |
|
|
Simón Ramírez | ... | Narrador (uncredited) |
Produced by
| Robert de Nesle | ... | producer |
| Arturo Marcos | ... | executive producer |
Music by
| Jesús Franco | ... | (as David Kuhne) |
| Bruno Nicolai | ||
| René Sylviano | ||
| Daniel White | ||
Cinematography by
| Paul Souvestre | ||
Editing by
| Roberto Fandiño | ||
Camera and Electrical Department
| Howard Vernon | ... | still photographer (as Mario Lippert) |
Additional Crew
| Francisco Arenzana | ... | voice dubbing: Gonzalo Cañas (uncredited) |
| Ángel María Baltanás | ... | voice dubbing: Marc Cassot (uncredited) |
| Eduardo Calvo | ... | voice dubbing: Armand Mestral (uncredited) |
| Héctor Cantolla | ... | voice dubbing: Fernando Bilbao (uncredited) |
| José Guardiola | ... | voice dubbing: Edward Purdom (uncredited) |
| José Martínez Blanco | ... | voice dubbing: Howard Vernon (uncredited) |
| José Moratalla | ... | voice dubbing: Luis Barboo (uncredited) |
| Jesús Nieto | ... | voice dubbing: William Berger (uncredited) |
| Fernando Nogueras | ... | voice dubbing: Sergio Mendizábal (uncredited) |
| Simón Ramírez | ... | voice dubbing (uncredited) |
| Mayte Santamarina | ... | voice dubbing: Doris Thomas (uncredited) |
| Selica Torcal | ... | voice dubbing: Marisol Delgado (uncredited) |
| Luis Varela | ... | voice dubbing: José Manuel Marcos (uncredited) |
| Vicente Vega | ... | voice dubbing (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Alberto Dalbés (uncredited) |
