Jung Yu-mi (born January 18, 1983) is a South Korean actress. Jung made her feature film debut in Blossom Again (2005), for which she received acting recognition. She has since starred in the critically acclaimed films Family Ties (2006), Chaw (2009), My Dear Desperado (2010), and the box office hits The Crucible (2011), Train to Busan (2016) and Kim Ji-young: Born 1982 (2019). She also frequently appears in films by auteur Hong Sang-soo, notably Oki's Movie (2010) and Our Sunhi (2013).