Noel Willman

as Woburn

as Razin, Liberius' Lieutenant

as Franz Bayer

as Theopolos

as Dr. Ravna

as Dr. Franklyn

as Prison Governor

as Lord Byron

as Inspector Thomas

as Za-Tor

as Interrogator

as Chief of Police

as Aubrey Clark

as Colonel Rodriguez

as Hobley

as Bruno Merk

as Spintho

as Mr. Perker

as Du Guesclin

as Nigel Pickering

as Holvera

as Dr. Dennis Bord

as Webster

as Dr. Clifford Preston

as Magistrate

as Johnson

as Mr Justice Bates

as Sir Walter Sloane

as Sir Hugh Anderson

as The Lawyer

as Aramis