Laura La Plante

Olga 'The Midnight Sun' Morova

Pat O'Malley

Grand Duke Sergius of Russia

Michael Vavitch

Duke's Adjutant

Raymond Keane

Alexei Orloff - Russian Officer

Earl Metcalfe

Nicolai Orloff

George Siegmann

Ivan Kusmin - Banker

Arthur Hoyt

Yessky - Kusmin's Secretary

Medea Radzina

Anisya - Olga's Companion

Nicholas Soussanin

Duke's Aide

Cesare Gravina

Opera Director

Nina Romano

Barbara

Albert Prisco

Messenger

George B. Williams

Ruined Banker

Yola d'Avril

Max Barwyn

Maitre D'

Sayre Dearing

Young Russian Officer

Louis Mercier

Russian Dissident

Phillips Smalley

Card Player