as

Prof. Eugene Dubois (uncredited)

as

Bishop

as

Art Dealer

as

Vachek

as

Kalador (uncredited)

as

Vinson - Spy Henchman

as

Bearded Delegate (uncredited)

as

Stefan

as

Engraver

as

The Count

as

Mr. Wheeler

as

Lebrun

as

Trubiev

as

Xenobian

as

Doctor Bruno

as

Prof. Leverrin

as

Italian Passenger (uncredited)

as

Klacken