Errol Flynn
Captain Geoffrey Thorpe
Brenda Marshall
Doña Maria Alvarez de Cordoba
Claude Rains
Don José Alvarez de Cordoba
Donald Crisp
Admiral Sir John Burleson
Flora Robson
Queen Elizabeth
Alan Hale
Carl Pitt
Henry Daniell
Lord Wolfingham
Una O'Connor
Miss Latham
James Stephenson
Abbott
Gilbert Roland
Capt. Lopez
William Lundigan
Danny Logan
Montagu Love
King Philip II
Julien Mitchell
Oliver Scott
David Bruce
Martin Burke
Clifford Brooke
William Tuttle
Clyde Cook
Walter Boggs
Fritz Leiber
Inquisitor
Ellis Irving
Monty Preston
Francis McDonald
Kroner
Pedro de Cordoba
Capt. Mendoza
Ian Keith
Peralta
Jack La Rue
Lt. Ortega
Halliwell Hobbes
Astronomer
Alec Craig
Chartmaker
Victor Varconi
Gen. Aguirre
Robert Warwick
Frobisher
Harry Cording
Slavemaster
Herbert Anderson
Eph Winters
Mary Anderson
Maid of Honor
Whit Bissell
Gate Guard at Palace Entrance
Edgar Buchanan
Ben Rollins
J.W. Cody
Whipper
Maurice Costello
Man Carrying Spear
Michael Harvey
Sea Hawk
Leyland Hodgson
Officer
Stuart Holmes
(uncredited)
Charles Irwin
Arnold Cross
Dave Kashner
Whipper
Colin Kenny
Officer
Crauford Kent
Lieutenant
Frank Lackteen
Capt. Ortiz
Lester Matthews
Guard Officer
Art Miles
Drum Beater
Gerald Mohr
Spanish Messenger
Leonard Mudie
Castle Sentry
Nestor Paiva
First Slavemaster
Jack Richardson
(uncredited)
Elizabeth Sifton
Maid of Honor
Jay Silverheels
Native Lookout
John Sutton
Captain of the Guard
David Thursby
Driver
Anthony Warde
Whipper
Leo White
(uncredited)
Frank Wilcox
Martin Barrett
Frederick Worlock
Darnell
Harry Worth
Spanish Officer
J.M. Kerrigan
Eli Matson
Jim Corey
Ray Dixon