as Mr. Leuchtag (uncredited)
as Professor Träumer
as Jean Lamarte
as Gustav Muller
as Siegfried
as Doctor
as Arbeiter
as Professor Berdorff
as Owner of Puppet Show
as Hotel Manager
as Mr. Novak (uncredited)
as Carl Baumann
as Major Domo
as Capt. Ziemer (uncredited)
as Aldo Von Metz
as Herr Schultz the Innsbruck Forger (Uncredited)
as Henry 'Pop' Gehrig
as Dr. Lubbeck
as Mr. Otto
as Caesar
as Dr. Grazlich (Doc Powers' Partner)
as German Piano Accompanist (uncredited)
as Dr. Schickel
as School Teacher (as Ludwig Stossel)
as Binns
as The German
as Mr. Puft
as Mr. Steinach
as Haslinger
as Herman Felsburg
as Dr. Szicki
as Herman Miller
as Grand Duke Otto
as Professor Berger
as Dr. Anton Marek
as Louis
as Pastor
as Dr. Fritz Heine
as Popsy Lorenz
as Theaterdirektor
as Hotelier Brunn
as Dir. Rohrbach
as Riederer, Amtshauptmann von St. Vigil
as Dr. Mueller
as Dr. Gerhardt
as Herman Bauer, bugomaster
as Brock (uncredited)
as Papa Julius Steelman
as Graub
as Li Yoseph
as Capt. Angst
as Valentin Rainer
as Dr. Schmidt
as Wilhelm
as Peter
as Generaldirektor Leon
as Otto
as Personalchef Klapper
as Papa Svoboda
as Bratfisch
as Dr. Breithaut
as Zuschauer
as Vetter, der Pfarrer von Sankt Jakob
as Livius Heintze, Unterwäschefabrikant
as Der Hoteldirektor
as Pichler
as Otto Kessler
as Adolph Van Beers
as Professor
as Jonathan Bigby / clock-keeper
as Professor Roff
as Professor Harnish
