Helen Elizabeth McCrory is a British actress. She portrayed Cherie Blair in both The Queen and The Special Relationship . She also portrayed Narcissa Malfoy in the final three Harry Potter films Mama Jeanne in Martin Scorseses family mystery film Hugo Clair Dowar in Sam Mendes Skyfall and Polly Gray in Peaky Blinders .
McCrory was born in Paddington, London. Her mother, Anne , is Welsh, and her father, Iain McCrory, is a diplomat from Glasgow, Scotland. She is the eldest of three children. She was educated at Queenswood, a Hertfordshire boarding school, after which she spent a year living in Italy. Upon her return to Britain, she began studying acting at the Drama Centre in London.
Source: Wikipedia