Bruno Kastner

as Gustl

as Herr Born

as Dr. Garonder

as Oberleutnant von Karinski

as Ulrich von Hutten

as Großfürst Alexander Alexandrowitsch

as Duce Spina-Spontelli

as Kaczinsky

as Arved Angerapp

as Schauspieler

as Graf Harden

as Percy

as Felix Müller

as Hans Brandstetter

as Ernst Aßmann

as Fritz von Fink

as Robert Kingston

as André Lifou

as The composer

as Hector Roger

as Alexander von Tscherminoff