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