Harriet Walter

Dame Harriet Mary Walter is an English stage and screen actress. Her film appearances include Sense and Sensibility, The Governess, Villa des Roses, Atonement and Man Up. On television she starred as Natalie Chandler in the ITV drama series Law& Order: UK, as Lady Prudence Shackleton in four episodes of Downton Abbey, and as Clementine Churchill in The Crown. She was appointed Dame Commander of the Order of the British Empire in 2011 for services to drama.