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