Marlene Dietrich

as Princess Sophia Frederica / Catherine II

John Lodge

as Count Alexei

Sam Jaffe

as Grand Duke Peter

Louise Dresser

as Empress Elizabeth Petrovna

C. Aubrey Smith

as Prince August

Gavin Gordon

as Capt. Gregori Orloff

Olive Tell

as Princess Johanna Elizabeth

Ruthelma Stevens

as Countess Elizabeth 'Lizzie'