Wiener Melodien

Elfie Mayerhofer

as Lilli Günther & Viktoria Thomsen

Johannes Heesters

as Ferry van der Heuvels

Hedwig Bleibtreu

as Mafalda Cellini

Fritz Imhoff

as Portier

Egon von Jordan

as Knut Thomsen

Lilly Stepanek

as Irene Thomsen

Eugen Neufeld

as Petersen

Fritz Lehmann

as Herr Brink

Wilhelm Heim

as Prof. Werner