Amy Morton (born April 3, 1959) is an American actress and director, best known for her work in theatre. Morton was nominated two times for a Tony Award for Best Actress in a Play for her performances in August: Osage County and Who's Afraid of Virginia Woolf?. On screen, she is known for her performances in films Rookie of the Year (1993), Up in the Air (2009), The Dilemma (2011) and Bluebird (2013). Since 2014, Morton began starring as Sergeant Trudy Platt in the NBC drama series Chicago P.D.