as Owner of Puppet Show

as Dr. Fritz Heine

as Wilhelm

as Aldo Von Metz

as Dr. Szicki

as Otto Kessler

as Adolph Van Beers

as Mr. Novak (uncredited)

as Self

as Grand Duke Otto

as Herman Felsburg

as Peter Van Tyne

as Professor Berger

as Professor Harnish

as Professor

as Major Domo

as Papa Svoboda

as German Piano Accompanist (uncredited)

as Professor Roff

as Jonathan Bigby / clock-keeper

as Dr. Snider

as Prof. Müller

as Hotel Manager

as Professor Träumer

as Mr. Steinach

as Peter

as Haslinger

as The German

as Dr. Mueller

as Popsy Lorenz

as Otto

as Siegfried

as Mr. Otto

as Mr. Puft

as School Teacher (as Ludwig Stossel)

as Jean Lamarte

as Carl Baumann

as Herman Bauer, bugomaster

as Binns

as Graub

as Papa Julius Steelman

as Mr. Leuchtag (uncredited)

as Capt. Ziemer (uncredited)

as Herr Schultz the Innsbruck Forger (Uncredited)

as Underground Leader

as Dr. Lubbeck

as Herman Miller

as Dr. Grazlich (Doc Powers' Partner)

as Dr. Anton Marek

as Professor Berdorff

as Henry 'Pop' Gehrig

as Dr. Schmidt

as Doctor

as Gustav Muller

as Louis

as Franz Polgar

as Dr. Schickel

as Brock (uncredited)

as Dr. Gerhardt

as Pastor

as Li Yoseph

as Caesar

as Capt. Angst

as Dr. Breithaut

as Vetter, der Pfarrer von Sankt Jakob

as Pichler

as Arbeiter

as Zuschauer

as Theaterdirektor

as Generaldirektor Leon

as Der Hoteldirektor

as Riederer, Amtshauptmann von St. Vigil

as Baron Kiesel

as Hotelier Brunn

as Bratfisch

as Personalchef Klapper

as Der Varieté-Agent

as Valentin Rainer

as Dir. Rohrbach

as Livius Heintze, Unterwäschefabrikant

as Freund