O.W. Fischer as Ludwig II

Ruth Leuwerik as Empress Elisabeth von Österreich

Marianne Koch as Princess Sophie

Paul Bildt as Richard Wagner

Klaus Kinski as Prince Otto von Bayern

Friedrich Domin as Otto von Bismarck

Rolf Kutschera as Count Holnstein

Herbert Hübner as von Pfistermeister

Robert Meyn as Professor Dr. Gudden

Rudolf Fernau as Prinz Luitpold von Bayern

Willy Rösner as von Lutz

Albert Johannes as Prince Hohenfels

Erica Balqué as Cosima von Bülow

Walter Regelsberger as Count Dürckheim

Erik Frey as Emperor Franz Josef von Österreich

Fritz Odemar as von der Tann

Harry Feist as Leibkoch

Hans Quest as Kapellmeister Eckert