Douglas Wilmer

as Self

as Diogones Gent (1 episode)

as The Black Knight

as Fanning

as Algernon (1 episode)

as Maitre Fleury

as The Duke of Venice

as Maxwell Levy

as Henry Wild

as Police Commissioner

as R. B.

as Hildebrand (1 episode)

as Montigny

as Sherlock Holmes

as Commissioner Dixon (1 episode)

as Leopoldo Visconti (1 episode)

as Henry Wild (1 episode)

as Vizier

as His Honour Judge Copeland (3 episodes)

as Commander Whiting (1 episode)

as Party Guest (uncredited)

as Agrippa

as Prof. Van Dusen (2 episodes)

as Headmaster

as Harry Vaneste