Two British officers are assigned to collect information to convict Captain Kidd of piracy.
| Actor | Role |
|---|---|
 Richard CraneRichard Dale | Richard Dale |
 David BruceAlan Duncan | Alan Duncan |
 John CrawfordCaptain Kidd | Captain Kidd |
 George D. WallaceBuller | Buller |
 Lee RobertsDevry | Devry |
 Nick StuartPirate Dr. Brandt | Pirate Dr. Brandt |
 Terry FrostMate William Moore | Mate William Moore |
 Marshall ReedCapt. Robert Culliford | Capt. Robert Culliford |
 Paul NewlanLong Ben Avery | Long Ben Avery |
| EEduardo Cansino Jr.Native | Native |
| WWilletta SmithPrincess | Princess |
 Louis MerrillLord Bellmore | Lord Bellmore |
 Nelson LeighRobert Langdon | Robert Langdon |
 John HartMate Jenkins | Mate Jenkins |