Dick Sand travels aboard the "Pilgrim" when, following dramatic events, the ship becomes without a captain. Fate has it so that, to keep all sailors in peace, he shall command the ship. All accept this arrangement, even Negoro - whose resentment will add treachery to circumstances already difficult to take the ship to safe harbour. To a point the task may prove impossible...
| Directing | Jesús Franco | Director |
| Writing | Gonzalo Cañas | Writer |
| Writing | Jesús Franco | Writer |
| Sound | Jesús Franco | Music |
| Editing | Roberto Fandiño | Editor |
| Production | Robert de Nesle | Producer |
| Camera | Howard Vernon | Still Photographer |
| Writing | Jules Verne | Novel |
| Production | Arturo Marcos | Executive Producer |
| Sound | Bruno Nicolai | Music |
| Sound | René Sylviano | Music |
| Sound | Daniel White | Music |
| Writing | José Antonio Arévalo | Writer |
| Camera | Paul Souvestre | Director of Photography |
