character - Prof. Eugene Dubois (uncredited)

character - Art Dealer

character - Vachek

character - Kalador (uncredited)

character - Vinson - Spy Henchman

character - Stefan

character - Mr. Wheeler

character - The Count

character - Trubiev

character - Lebrun

character - Xenobian

character - Doctor Bruno

character - Prof. Leverrin

character - Italian Passenger (uncredited)

character - Klacken