 Louis HaywardCaptain Peter Blood | Captain Peter Blood |
 Patricia MedinaDona Isabella | Dona Isabella |
 John SuttonHilary Evans | Hilary Evans |
| CCharles IrwinAngus McVickers | Angus McVickers |
 Ted de CorsiaCaptain Easterling | Captain Easterling |
 Rex EvansGov. Henry Carlyle | Gov. Henry Carlyle |
 Malú GaticaAmanda | Amanda |
 George GivotTomas Velasquez | Tomas Velasquez |
| RRobert McNeeleyManuelito | Manuelito |
 Nina KoshetzMadame Duval | Madame Duval |
 Lester MatthewsCol. Ramsey | Col. Ramsey |
 Sven Hugo BorgSwede | Swede |
 Sandro GiglioDon Ramon | Don Ramon |
 Martín GarralagaTurk (uncredited) | Turk (uncredited) |
 Franklyn FarnumDr. Le Grand (uncredited) | Dr. Le Grand (uncredited) |
 Harry CordingCol. Ramsey's Overseer (uncredited) | Col. Ramsey's Overseer (uncredited) |
 Maurice MarsacCapt. Coulevain (uncredited) | Capt. Coulevain (uncredited) |
 Peter MamakosCoulevain's First Mate (uncredited) | Coulevain's First Mate (uncredited) |
 Jay NovelloEgyptian (uncredited) | Egyptian (uncredited) |
 John HalloranPirate Messenger (uncredited) | Pirate Messenger (uncredited) |
| MMario SilettiGen. Chavez (uncredited) | Gen. Chavez (uncredited) |
 Ian WolfeViceroy (uncredited) | Viceroy (uncredited) |
 Gerald Oliver SmithHeatherstone (uncredited) | Heatherstone (uncredited) |
| BBing ConleySeaman (uncredited) | Seaman (uncredited) |
| AArt FelixTavern Patron (uncredited) | Tavern Patron (uncredited) |
 Suzanne RidgwayPuerto Bello Townswoman (uncredited) | Puerto Bello Townswoman (uncredited) |
 Blackie WhitefordPirate (uncredited) | Pirate (uncredited) |
 Jimmy DimePirate (uncredited) | Pirate (uncredited) |
 Victor AdamsonPirate (uncredited) | Pirate (uncredited) |
 Norman LeavittPirate (uncredited) | Pirate (uncredited) |
