François St. Cyr
Frank Morgan
Leon Renault
John Warburton
Baron Lomzoi
Lucien Prival
Moloff's White-haired Matron
Vivien Oakland
Moloff's Dark-haired Matron
Ellinor Vanderveer
Undercover Agent K-31 (bit)
Rochelle Hudson
Eugenie Dorain
Gwili Andre
Gen. Han Moloff
Gregory Ratoff
Chief of the Surete
Murray Kinnell
Cecile Rodin, aka Mme. La Prop
Kate Drain Lawson
Anton Dorain
Christian Rub
Grand Duke Maxim
Arnold Korff
Count de Marsay
Guido Trento
Moloff's Woman Agent
Kendall Lee
Director
A. Edward Sutherland
Screenplay
Samuel Ornitz
Writer
Ashton Wolfe
Robert Tasker