In her childhood she lived in Africa and Paris, and went to an English boarding school.
Daughter of a diplomat and a physiotherapist.
She grew up in Norway, Nigeria, Cameroon, Tanzania, Zanzibar, Madagascar and Paris, among other places.
She was nominated for a 2002 London Evening Standard Theatre Award for Best Actress for her performance in Uncle Vanya performed at the Donmar Warehouse.
Engaged to actor Damian Lewis in February of 2006.
Has two children with husband Damian Lewis, daughter Manon born on September 8, 2006 and son Gulliver, born November 2, 2007.
Sister-in-law of Gareth Lewis.
She originally couldn't take the role of Bellatrix Lestrange in Harry Potter and the Order of the Phoenix (2007) due to pregnancy and was replaced by Helena Bonham Carter. She has now been cast to play Narcissa Malfoy, Bellatrix's sister, in Harry Potter and the Half-Blood Prince (2009).
She and her husband Damian Lewis have portrayed real-life couple, Cherie Blair and Tony Blair on television movies. Lewis in Confessions of a Diary Secretary (2007) and McCrory in The Special Relationship (2010).
Her father was from Glasgow, Scotland and her mother was from Wales.
She was awarded the OBE (Officer of the Order of the British Empire) in the 2017 Queen's New Years Honours List for her services to Drama. She is an actress in London, England.