Doug McClure

as Lt. Brian Fleming

Jill St. John

as Mistress Jessica Stephens

Guy Stockwell

as John Avery

Mary Ann Mobley

as Princess Patna

Kurt Kasznar

as Zucco

Richard Deacon

as Swaine

Torin Thatcher

as Captain Cullen

Diana Chesney

as Molvina MacGregor

Ivor Barry

as Cloudsly

William Glover

as Captain Hornsby (as Bill Glover)

Woodrow Parfrey

as Gow

Sean McClory

as Sparkes

Michael St. Clair

as Collins

Émile Genest

as Captain Mission

Ted de Corsia

as Capt. McTigue

Alex Montoya

as Caraccioli

Tanya Lemani George

as Member of Zucco's Troop (as Tanya Lemani)

Ami Luce

as Member of Zucco's Troop

Bob Terhune

as Member of Zucco's Troop (as Robert Terhune)

Chuck Couch

as Member of Zucco's Troop

Bill Couch

as Member of Zucco's Troop (as William J. Couch)

Loren Janes

as Member of Zucco's Troop

Henry Monzello

as Member of Zucco's Troop (as Hank Monzello)

William E. Snyder

as Member of Zucco's Troop (as William Snyder)

Rodney Hoeltzel

as Member of Zucco's Troop

Danny Rees

as Member of Zucco's Troop