Gemma Whelan stars in new BBC period drama 'Gentleman Jack'.

The drama tells the story of Anne Lister, a well-off Yorkshire landowner famous for her four-million-word diary that documented her lesbian relationships, travels and efforts to transform the fate of her faded ancestral home Shibden Hall. Gemma Whelan plays Anne Listers sister Marian.

Watch the first episode on Sunday 19th May on BBC1.