Rupert of Hentzau is a 1915 British adventure film of the silent era. It was directed by George Loane Tucker and starred Henry Ainley, Jane Gail and Gerald Ames. It was based on the novel Rupert of Hentzau by Anthony Hope, the sequel to The Prisoner of Zenda. It tells the story of the journey of an Englishmen to Ruritania in Eastern Europe where he is forced to impersonate a King to thwart the plans of a villainous aristocrat Rupert of Hentzau.
Source: Wikipedia