Eve Best (born Emily Best; 31 July 1971) is an English actress, best known for her roles as Dr. O'Hara in the Showtime television series Nurse Jackie, as Wallis Simpson in the 2010 film The King's Speech, and Dolley Madison in the 2011 American Experience television special about that First Lady.Description above from the Wikipedia article Eve Best, licensed under CC-BY-SA, full list of contributors on Wikipedia.