Cara Buono (born March 1, 1971) is an American actress. She made her film debut in Gladiator (1992) and received recognition for her roles in various television shows including CBS Schoolbreak Special (1991), Law & Order (1996–2024), Mad Men (2010), and starred as Karen Wheeler in the Netflix series Stranger Things (2016–2025). Her roles earned her nominations for both a Primetime Emmy Award for Outstanding Guest Actress in a Drama Series and a Daytime Emmy Award for Outstanding Performer in Children's Programming. On film, Buono has appeared in a number of projects since her 1992 debut, with her most notable credits including Hulk (2003), in which she portrayed Edith Banner, Let Me In (2010), A Good Marriage (2014), Paper Towns (2015), All Saints (2017), Monsters and Men (2018), and She Came from the Woods (2022). (Via Wikipedia)