as Grayson
as Prof. Huer
as Professor Flaxon
as Chief Justice Pablo
as Majordomo (uncredited)
as Prof. Thomas Scott
as Judge
as Old Bobby (uncredited)
as Franklin Prescott (uncredited)
as Curator Dr. Fairgyle - British Museum Official (uncredited)
as Cliff Barton
as British Nobleman (uncredited)
as Major Domo (uncredited)
