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