A nobleman vows to avenge the death of his father by the hands of pirates. To this end, he infiltrates the pirate band; Acting in character, he single-handedly captures a merchant vessel, but things are complicated when he finds that there is a beautiful young woman of royal blood aboard.
| Actor | Role |
|---|---|
 Douglas FairbanksThe Duke of Arnoldo / The Black Pirate | The Duke of Arnoldo / The Black Pirate |
 Billie DovePrincess Isobel | Princess Isobel |
 Anders RandolfPirate Captain | Pirate Captain |
 Donald CrispMacTavish | MacTavish |
 Tempe PigottDuenna (as Tempe Pigett) | Duenna (as Tempe Pigett) |
 Sam De GrassePirate Lieutenant | Pirate Lieutenant |
 Charles StevensPowder Man | Powder Man |
| JJohn WallacePeg-Leg Pirate | Peg-Leg Pirate |
| FFred BeckerPirate | Pirate |
 Charles BelcherChief Passenger - Nobleman | Chief Passenger - Nobleman |
 E.J. RatcliffeThe Governor | The Governor |
| NNino CochisePirate (uncredited) | Pirate (uncredited) |
 Barry NortonYouth (uncredited) | Youth (uncredited) |
 Mary PickfordPrincess Isobel in Final Embrace - Cameo Appearance (uncredited) | Princess Isobel in Final Embrace - Cameo Appearance (uncredited) |