Walter Janssen

as Young Man / Frank / Gianfrancesco / Liang

as Fiedl (uncredited)

as DS Boehm

as Popp

as Father Georg

as Paul Harrandt

as Abteilungschef Wolf

as Lotsch

as Robert Stumm

as Curat

as Alter Herr

as Toni Hofer - ein Operettenkomponist

as Prof. Barnickel

as Dr. Heller

as Waldemar Taller, Chordirektor

as Ingenieur Dr. Lechner

as Justizrat Wieland

as Österreichischer Kriegsminister

as Dr.Erwin Büttner