Kerwin Mathews
Jack
Judi Meredith
Princess Elaine
Torin Thatcher
Pendragon
Walter Burke
Gama
Don Beddoe
Imp
Barry Kelley
Sigurd
Dayton Lummis
King Mark
Anna Lee
Lady Constance
Roger Mobley
Peter
Robert Gist
Scottish Captain
Tudor Owen
Chancellor
Ken Mayer
Boatswain
Herman Belmonte
Nobleman (uncredited)
Sam Harris
Party Guest (uncredited)
Stuart Holmes
Celebration Guest (uncredited)
Richard LaMarr
Royal Court Member (uncredited)
Jack Mower
Nobleman (uncredited)
Monty O'Grady
Nobleman (uncredited)
Bert Stevens
Celebration Guest (uncredited)
Helen Wallace
Jack's Mother (uncredited)