The castle of the counts of Ventimiglia is conquered by the spanish Van Gould, who kills the count and sends his three sons in the Antilles. The ship is attacked by pirates and the three brothers are liberated. They decide to join the pirates to have revenge on Van Gould, who has also moved to the Antilles on the command of the viceroy.
| Directing | Mario Soldati | Director |
| Writing | Emilio Salgari | Novel |
| Writing | Ennio De Concini | Screenplay |
| Writing | Agenore Incrocci | Screenplay |
| Writing | Furio Scarpelli | Screenplay |
| Production | Dino De Laurentiis | Producer |
| Production | Carlo Ponti | Producer |
| Camera | Tonino Delli Colli | Director of Photography |
| Editing | Leo Catozzo | Editor |
| Costume & Make-Up | Dario Cecchi | Costume Design |
| Sound | Nino Rota | Original Music Composer |
| Sound | Ugo Giacomozzi | Conductor |
| Production | Bruno Todini | Production Manager |
| Production | Fernando Cinquini | Production Supervisor |
| Directing | Cesare Olivieri | First Assistant Director |
| Art | Flavio Mogherini | Production Design |
| Art | Piero Gherardi | Set Decoration |
| Directing | Rometta Pietrostefani | Script Supervisor |
| Costume & Make-Up | Amato Garbini | Makeup Artist |
| Production | Pio Angeletti | Production Secretary |
| Production | Angelo Binarelli | Production Secretary |
| Sound | Biagio Fiorelli | Sound |
| Sound | Mario Amari | Sound |
| Camera | Sergio Bergamini | Camera Operator |
| Directing | Sergio Leone | Assistant Director |
| Directing | Sergio Leone | Script Supervisor |