Nicola Walker (born 15 May 1970) is an English actress, known for her starring roles in various British television programmes from the 1990s onwards, including Ruth Evershed in the spy drama Spooks from 2003 to 2011. She has also worked in theatre, radio and film. In 2013, she won the Olivier Award for Best Supporting Actress for the play The Curious Incident of the Dog in the Night-Time. In 2014, she was nominated for the BAFTA TV Award for Best Supporting Actress for the BBC drama Last Tango in Halifax. Wikipedia
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