Fritz Leiber

as Mr. Poole

as Emir

as Dr. Valonius

as Col. Isham

as Binda Sha

as Leopold Kroner

as Padre

as Painter

as Bishop

as Dr. Charles Morris

as Franz Liszt

as Dr. Aanrud

as Foreign Minister Deval (uncredited)

as Old Nobleman

as Horatio in 'Hamlet'

as Capt. John Ericsson

as Dr. Charbonnet

as Gaspard