Gwili Andre

Eugenie Dorain

Gregory Ratoff

Han Moloff

Frank Morgan

François St. Cyr

John Warburton

Leon Renault

Rochelle Hudson

K-31

Christian Rub

Anton Dorain

Murray Kinnell

Bertillon

Arnold Korff

Grand Duke Maxim

Kendall Lee

Rina Harka

Lucien Prival

Lomzoi

Guido Trento

Count de Marsay

Wong Chung

Chinese Guard (uncredited)

Harry Cording

Man Reading Newspaper (uncredited)

Chester Gan

Chinese Guard (uncredited)

Julia Swayne Gordon

Madame Danton (uncredited)

Kate Drain Lawson

Cecile Rodin, aka "Madame La Prop." (uncredited)

Vivien Oakland

Cohort of Moloff (uncredited)

Ellinor Vanderveer

Cohort of Moloff (uncredited)

Michael Visaroff

Pickpocket Victim (uncredited)