Robert Newton as Blackbeard

Linda Darnell as Edwina Mansfield

William Bendix as Ben Worley

Keith Andes as Robert Maynard

Torin Thatcher as Sir Henry Morgan

Irene Ryan as Alvina, a lady in waiting

Alan Mowbray as Noll

Richard Egan as Briggs

Skelton Knaggs as Gilly

Dick Wessel as Dutchman

Anthony Caruso as Pierre La Garde

Jack Lambert as Tom Whetstone

Noel Drayton as Jeremy

Pat Flaherty as Job Maggot

Chuck Roberson as Mounted Soldier

Patrick Whyte as Captain

Peter Ortiz as Pirate