as Professor
as Dr. Odenheim
as Pierre Luigi - Photographer
as Customer
as Igy Pulitzer
as Bandleader at Alligator Rally (uncredited)
as Leon Stoltz
as Hugo Bergmann
as Professor Hansen
as Schmidt
as Dr. Schrott
as George II
as Carlo Penezzi
as Lochner
as Brodcynsky
as Prof. Gruber
as Brunet
as Herr Schindler (uncredited)
as Dr. Hans Tautz
as Dr. Rosen
as Morgue Keeper
as Professor Topolski
as Paolo Vespucci
as Rossi
as Head Waiter
as Swiss Tailor
as Schlip
as Walter Vogel
as Tony - Cafe Proprietor
as Doctor Novotny
as Kublai Khan
as Schroeder
as Police Chief (uncredited)
as Dr. Fergus
as Mario - Waiter at the Savoy
as Man with Microscope
as Dr. Schwatzbacher
as Mr. Krohn
as Herman
as Mr. Justin
as Jerome
as Watchmaker / Number Fifty Four
as Prof. Yuri Dutrov
as Dr. Stelitz
