In the 18th century, the pirates of Madagascar, lords of the Republic of Libertatia and masters of the Indian Ocean, live in an impregnable natural fortress, killing, robbing and plundering with impunity, so the British Navy hatches a daring plan to destroy them.
Errol Flynn
as Brian Hawke
Maureen O'Hara
as Spitfire Stevens
Anthony Quinn
as Captain Roc Brasiliano
Alice Kelley
as Princess Patma
Mildred Natwick
as Molvina MacGregor
Robert Warwick
as Captain Kidd
Harry Cording
as Gow
John Alderson
as Sailor Harris
Phil Tully
as Sailor Jones
Lester Matthews
as Sir Cloudsley
Tudor Owen
as Gunsmith Williams
Maurice Marsac
as Captain Moisson
