An Austrian officer falls in love with a Polish girl at a Saint Petersburg New Year's Party in 191, but war soon breaks out.
Leutnant von Keller
Oberst von Keller
Gräfin Lubenska
Vera
Graf Lubenski
Claire, deren Tochter
Rittmeister Stroganoff
Armin Schweizer
Fritz, sein Sohn
Russian general
Russian colonel
Prisoner