Manfred, backed by Saracen pirates, deposes the Duke of Montfort, takes over the throne and kidnapped the Duke's young son. Capt. Riccardo, the leader of a pirate band on the ship Black Hawk, sets out to defeat Manfred and his Saracens and restore the Duke to his rightful place on the throne.
| Actor | Role |
|---|---|
 Gérard LandryCaptain Riccardo | Captain Riccardo |
 Mijanou BardotElena di Monteforte | Elena di Monteforte |
 Andrea AureliDuke Manfredo di Monteforte | Duke Manfredo di Monteforte |
 Eloisa CianniStella | Stella |
 Ettore ManniGianni | Gianni |
 Giulio BattiferriNero | Nero |
 Pina BottinEva | Eva |
 Raf BaldassarrePirate | Pirate |
| AAndrea MilanoPirate | Pirate |
 Maurizio PiacentiPirate | Pirate |
| PPiero GiagnoniHector di Monteforte | Hector di Monteforte |
| LLea MiglioriniNot listed | Not listed |
 Roberto Ceccacci(uncredited) | (uncredited) |