Martin Miller

as Pierre Luigi - Photographer

as Dr. Rosen

as Kublai Khan

as Dr. Odenheim

as Watchmaker / Number Fifty Four

as Hugo Bergmann

as Herr Schindler (uncredited)

as Mr. Justin

as Prof. Gruber

as Rossi

as Dr. Schwatzbacher

as Head Waiter

as Dr. Schrott

as Stavros

as Lochner

as Dr. Fergus

as Man with Microscope

as Walter Vogel

as Doctor Novotny

as Tony - Cafe Proprietor

as Swiss Tailor

as Prof. Yuri Dutrov

as Dr. Hans Tautz

as Kublai Khan

as Schlip

as Carlo Penezzi

as Professor Hansen

as Brodcynsky

as Professor

as Paolo Vespucci

as Police Chief (uncredited)

as George II

as Schmidt

as Mario - Waiter at the Savoy

as Bandleader at Alligator Rally (uncredited)

as Customer

as Brunet

as Thomas Stenbourg

as Professor Topolski

as Morgue Keeper

as Dr. Stelitz

as Father

as Igy Pulitzer

as Leon Stoltz

as Schroeder

as Herman

as Postman

as Police Inspector

as Nicholas Loewenschild

as Mr. Krohn

as Mr Smith

as Scionneau

as Prof. Vivier