Kelly Dorothy Macdonald (born 23 February 1976) is a Scottish actress best known for her roles in Trainspotting (1996), Gosford Park (2001), Intermission (2003), Nanny McPhee (2005), No Country for Old Men (2007), Boardwalk Empire (2010–2014), Harry Potter and the Deathly Hallows – Part 2 (2011), Brave (2012), the Black Mirror episode Hated in the Nation (2016), Line of Duty (2021), and Operation Mincemeat (2022)