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.
as Eugenie Dorain
as Han Moloff
as François St. Cyr
as Leon Renault
as K-31
as Anton Dorain
as Bertillon
as Grand Duke Maxim
as Rina Harka
as Lomzoi
as Count de Marsay
as Chinese Guard (uncredited)
as Man Reading Newspaper (uncredited)
as Chinese Guard (uncredited)
as Madame Danton (uncredited)
as Cecile Rodin, aka "Madame La Prop." (uncredited)
as Cohort of Moloff (uncredited)
as Cohort of Moloff (uncredited)
as Pickpocket Victim (uncredited)
