John Barrymore

Prince Paul Chegodieff

Ethel Barrymore

Czarina Alexandra

Lionel Barrymore

Grigori Rasputin

Ralph Morgan

Czar Nicholas II

Tad Alexander

The Czarevitch

Diana Wynyard

Princess Natasha

C. Henry Gordon

Grand Duke Igor

Edward Arnold

Doctor Remezov

Henry Armetta

Photographer (uncredited)

Mischa Auer

Butler Pouring Drinks at Party (uncredited)

Louise Closser Hale

Lazy Spoiled Woman (uncredited)

Nigel De Brulier

Priest (uncredited)