as Joseph
as Dr. Murton
as Papa Moreau
as Pieter Sluys
as Professor Franz Menzel
as Winkler
as President of the Medical Society (uncredited)
as Prof. Gollner
as Vittorio Miranda
as Old Man on Train (uncredited)
as Manager of Teatro La Fenice
as Lhama
as Flower Seller
as Prof. Ludwig Weiss
as Scientist (uncredited)
as Otto
as Prof. Pal Kudnic
as Dirk Brak
as Prof. Leon Dushenko
as Karl Kopek
as Duval
