Ramon Novarro
Lt. Alexis Rosanoff
Lionel Barrymore
General Serge Shubin
Alec B. Francis
Major Caron
Blanche Friderici
Sister Angelica
Helen Jerome Eddy
Sister Genevieve
Frank Reicher
The Cook - Spy
Mischa Auer
Firing Squad Victim (uncredited)
Reginald Barlow
Prosecutor (uncredited)
Harry Cording
Ivan (uncredited)
Cecil Cunningham
Gambler Selling Ring (uncredited)
Maude Turner Gordon
Madame Durand (uncredited)
Sarah Padden
Sister Teresa (uncredited)
Michael Visaroff
Jacques (uncredited)