An unemployed girl is the spitting image of a Grand Duchess fearing to be assassinated by the anarchists.
Elizabeth Garvie as Jane Cleveland Andrew Bicknell as Nigel Guest Amanda Redman as Pauline, Grand Duchess of Ostravia Stephanie Cole as Princess Anna Tony Jay as Count Streptitch Geoffrey Hinsliff as Colonel Kranin Julia McCarthy as Miss Northwood Helen Lindsay as Lady Anchester Robert McBain as Police Superintendent George Waring as Station Sergeant Hetty Baynes as Holly de Witt Roy Macready as Mr Bissell Neville Phillips as Delemain Josie Kidd as Miss Thristle Martin Chamberlain as Police Sergeant Richard Tate as Manfred Tex Fuller as Chauffeur Mac Andrews as Footman