When Captain Kidd is reprieved from the gallows by a greedy nobelman who wants to know the location of his buried treasure, he sets off across the seven seas with faithful slave girl Eva Gabor in tow.
| Actor | Role |
|---|---|
 Anthony DexterCapt. William Kidd | Capt. William Kidd |
 Eva GaborJudith Duvall | Judith Duvall |
 Alan Hale Jr.Jay Simpson | Jay Simpson |
 James SeayBellomont | Bellomont |
 Richard KarlanCapt. Avery | Capt. Avery |
 Noel CravatL'ollinaise | L'ollinaise |
 Lyle TalbotCapt. Pace | Capt. Pace |
| SSonia SorelAnne Bonney | Anne Bonney |
 Michael RossBlackbeard | Blackbeard |
 Jack ReitzenBartholomew | Bartholomew |
| RRobert LongCalico Jack | Calico Jack |
| WWilliam CottrellRoberts (as Bill Cottrell) | Roberts (as Bill Cottrell) |
 William TannenSteve Castle (as Bill Tannen) | Steve Castle (as Bill Tannen) |
 John CrawfordBonnett | Bonnett |
 William SchallertPriest (uncredited) | Priest (uncredited) |