Cast
- Günter Strack as Friedrich Wilhelm I. von Preußen
- Maria Schell as Königin Sophia Dorothea
- Jan Niklas as Hans Hermann von Katte
- Siegfried Wischnewski as August von Sachsen
- Jan Kollwitz as Kronprinz Friedrich
- Yvonne May as Prinzessin Wilhelmine
- Dietlinde Turban as Doris Ritter
- Mijou Kovacs as Gräfin Orczelska
- Wolfgang Büttner as General von Finkenstein
- Peter Pasetti as Graf Seckendorf