Jack
Kerwin Mathews
Princess Elaine
Judi Meredith
Chancellor
Tudor Owen
Boatswain
Ken Mayer
Nobleman (uncredited)
Herman Belmonte
Party Guest (uncredited)
Sam Harris
Celebration Guest (uncredited)
Stuart Holmes
Royal Court Member (uncredited)
Richard LaMarr
Jack Mower
Monty O'Grady
Bert Stevens
Jack's Mother (uncredited)
Helen Wallace
Pendragon
Torin Thatcher
Gama
Walter Burke
Imp
Don Beddoe
Sigurd
Barry Kelley
King Mark
Dayton Lummis
Lady Constance
Anna Lee
Peter
Roger Mobley
Scottish Captain
Robert Gist
Makeup Artist
Charles Gemora
Screenplay
Nathan H. Juran
Director
Orville H. Hampton
Story
Frank McCoy
Visual Effects
Tim Baar
Animation
Lloyd Vaughan
Original Music Composer
Bert Shefter
Special Effects
Augie Lohman
Director of Photography
David S. Horsley
Editor
Grant Whytock
Costume Design
Dave Berman
Wah Chang
Associate Producer
Robert E. Kent
Art Direction
Fernando Carrere
Howard A. Anderson
Set Decoration
Edward G. Boyle
Hairstylist
Louise Miehle
Production Supervisor
Ben Hersh
Unit Production Manager
Ralph E. Black
Producer
Edward Small
Paul Sawtell
Gene Warren
Matte Painter
Bill Brace
Tom Holland
Phil Kellison
Jim Danforth
David Pal