When a flower girl is kidnapped by a deranged White Russian, to impersonate the missing Princess Anastasia Romanoff while under his hypnotic spell, the French police attempt to solve the case with forensic method and the aide of a gentleman thief.
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
