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'

Davison Clark as Archimandrite Simeon Todorsky / Arch-Episcope

Erville Alderson as Chancelor Alexei Bestuchef

Maria Riva as Sophia as a Child

Jane Darwell as Miss Cardell, Sophia's Nurse (uncredited)

Edward Van Sloan as Herr Wagner (uncredited)

Akim Tamiroff as Bit Part (uncredited)

Marie Wells as

Eric Alden as

Elinor Fair as

Julanne Johnston as

Agnes Steele as

Philip Sleeman as

Hans Heinrich von Twardowski as

Gerald Fielding as

Richard Alexander as

Nadine Beresford as

Hal Boyer as

James Burke as

John Davidson as

George Davis as

Anna Duncan as

May Foster as

Ivan Linow as

James A. Marcus as

Eunice Murdock Moore as

Patricia Patrick as

Warner Richmond as

Blanche Rose as

Katherine Sabichi as

Sam Savitsky as

Dina Smirnova as

Minnie Steele as

Belle Stoddard as

Kent Taylor as

Jameson Thomas as

Bruce Warren as

Leo White as

Harry Woods as