During a house concert, the Bach family gets a visit by their son Wilhelm Friedemann, who has just given up his position in Dresden because he no longer could endure the reprisals of his superiors.
Gustaf Gründgens
as Wilhelm Friedemann Bach
Wolfgang Liebeneiner
as Carl Philipp Emanuel Bach
Eugen Klöpfer
as Johann Sebastian Bach
Leny Marenbach
as Antonia Kollowrat
Camilla Horn
as Mariella Fiorini
Gustav Knuth
as Johann Christoph Altnikol
Franz Schafheitlin
as Sekretär Siepmann
Paul Bildt
as Musikalienhändler Lohmann
Albert Florath
as Gastwirt in Dresden
Franz Arzdorf
as Kammerherr am königlichen Hof in Dresden
Johannes Riemann
as Heinrich Graf von Brühl
Hermine Körner
as Gräfin Kollowrat
