<P> She has an elder sister, Amelia Rachel (who owns and works in a restaurant with her husband in the Australian rainforest), and a younger brother, James Lockett Charles Agnew - Somerville, who worked in Hong Kong and writes poetry . Somerville attended dance classes from the age of six, and at eight was sent to the Arts Educational School, a boarding school in Tring, Hertfordshire, where she was taught ballet, music and drama . She left at sixteen, but continued her studies in London . </P> <P> Somerville trained at the Guildhall School of Music and Drama and graduated in 1989 . She did stage work and appeared on TV in episodes of Agatha Christie's Poirot and Casualty (1993) before landing the role of Penhaligon in Cracker, which she held from the show's inception in 1993 until its demise in 1995 and became one of the most memorable characters of the series . </P> <P> Somerville played Lady Stockbridge in Julian Fellowes's Gosford Park and Harry Potter's mother Lily in all the Potter movies . In May 2007, she played author Daphne du Maurier in the BBC TV drama Daphne . She plays a leading role as fictional Louisa, Countess of Manton in the 2012 ITV mini-series Titanic . </P> <P> In 2014, Somerville played Princess Antoinette of Monaco in the film Grace of Monaco . In 2014, she played Sarah Griffin in the BBC One mini-series Quirke . </P>

Who played harry potter's mother in the movie
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