Doug McClure

Character: Lt. Brian Fleming

Jill St. John

Character: Mistress Jessica Stephens

Guy Stockwell

Character: John Avery

Mary Ann Mobley

Character: Princess Patna

Kurt Kasznar

Character: Zucco

Richard Deacon

Character: Swaine

Torin Thatcher

Character: Captain Cullen

Diana Chesney

Character: Molvina MacGregor

Ivor Barry

Character: Cloudsly

William Glover

Character: Captain Hornsby (as Bill Glover)

Woodrow Parfrey

Character: Gow

Sean McClory

Character: Sparkes

Michael St. Clair

Character: Collins

Émile Genest

Character: Captain Mission

Ted de Corsia

Character: Capt. McTigue

Alex Montoya

Character: Caraccioli

Tanya Lemani George

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

Ami Luce

Character: Member of Zucco's Troop

Bob Terhune

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

Chuck Couch

Character: Member of Zucco's Troop

Bill Couch

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

Loren Janes

Character: Member of Zucco's Troop

Henry Monzello

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

William E. Snyder

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

Rodney Hoeltzel

Character: Member of Zucco's Troop

Danny Rees

Character: Member of Zucco's Troop