Paul Massie
Dr. Jekyll / Mr. Hyde
Dawn Addams
Kitty Jekyll
Christopher Lee
Paul Allen
David Kossoff
Dr. Littauer
Norma Marla
Maria
Francis de Wolff
Inspector
Joy Webster
Jenny
Magda Miller
Sphinx Girl (uncredited)
Oliver Reed
Nightclub Bouncer (uncredited)
Helen Goss
Nanny (uncredited)
Arthur Lovegrove
Cabby (uncredited)
Walter Gotell
Heverton - Second Gambler (uncredited)
Percy Cartwright
Coroner (uncredited)
John Bonney
Renfrew (uncredited)
