Ludwig Stössel

as Mr. Leuchtag (uncredited)

as Henry 'Pop' Gehrig

as Zuschauer

as Arbeiter

as Capt. Angst

as Vetter, der Pfarrer von Sankt Jakob

as Dr. Schmidt

as Herman Bauer, bugomaster

as Gustav Muller

as School Teacher (as Ludwig Stossel)

as Professor Träumer

as Hotel Manager

as Otto Kessler

as Adolph Van Beers

as Dr. Snider

as Prof. Müller

as Professor

as Self

as Professor Roff

as Professor Harnish

as Jonathan Bigby / clock-keeper