Hattie is a television film on the life of the British comic actress Hattie Jacques, played by Ruth Jones, her marriage to John Le Mesurier Robert Bathurst and her affair with their lodger John Schofield Aidan Turner. First broadcast in January 2011, it became the most watched programme on BBC Four ever and defeated biopic The Curse of Steptoe, which had held the record since 2008.
Source: Wikipedia