•
S. Polonsky as Prof. Holstein •
Helena Makowska as Thea Holstein •
Ernst Stahl-Nachbaur as Baron von Norden •
Claude France as Baronin von Norden •
Harry Nestor as Dr. Fritz Röller •
Fritz Kortner as Diener •
Ellen Reith as Baronin Elsa Bassian •
Paul Askonas as Möller •
William Dieterle as Prof. Heinrich •
Dagny Servaes as Heinrichs Frau •
Suzanne Marwille as Manon •
Theodor Pištěk as Kwiatkowski •
Mario Karas as Jirí Brodský •
Joe Jencík as Ferry •
Kamil Veselý as Mitglied der Kommission •
Sasa Dobrovolná as Manons Tante •
Bonda Szynglarski as Kellner •
Ella Hrabánková as Kind / Tänzerin ==References==