Ludwig Stössel

as Owner of Puppet Show

as Dr. Fritz Heine

as Aldo Von Metz

as Dr. Szicki

as Wilhelm

as Otto Kessler

as Mr. Novak (uncredited)

as Self

as Professor Berger

as Professor

as Herman Felsburg

as Peter Van Tyne

as Grand Duke Otto

as Professor Harnish

as Papa Svoboda

as Major Domo

as Professor Roff

as German Piano Accompanist (uncredited)

as Jonathan Bigby / clock-keeper

as Dr. Snider

as Hotel Manager

as Professor Träumer

as Mr. Steinach

as Peter

as Haslinger

as Dr. Mueller

as The German

as Otto

as Popsy Lorenz

as Siegfried

as School Teacher (as Ludwig Stossel)

as Mr. Puft

as Mr. Otto

as Jean Lamarte

as Carl Baumann

as Graub

as Binns

as Capt. Ziemer (uncredited)

as Herman Bauer, bugomaster

as Herr Schultz the Innsbruck Forger (Uncredited)

as Papa Julius Steelman

as Mr. Leuchtag (uncredited)

as Underground Leader

as Dr. Schmidt

as Dr. Grazlich (Doc Powers' Partner)

as Dr. Anton Marek

as Henry 'Pop' Gehrig

as Dr. Lubbeck

as Professor Berdorff

as Herman Miller

as Franz Polgar

as Dr. Schickel

as Brock (uncredited)

as Gustav Muller

as Doctor

as Louis

as Fritz Schermer

as Li Yoseph

as Caesar

as Dr. Gerhardt

as Pastor

as Dr. Breithaut

as Capt. Angst

as Vetter, der Pfarrer von Sankt Jakob

as Der Hoteldirektor

as Theaterdirektor

as Pichler

as Generaldirektor Leon

as Arbeiter

as Zuschauer

as Riederer, Amtshauptmann von St. Vigil

as Baron Kiesel

as Hotelier Brunn

as Der Varieté-Agent

as Bratfisch

as Valentin Rainer

as Personalchef Klapper

as Livius Heintze, Unterwäschefabrikant

as Dir. Rohrbach

as Freund