Jung Yu-mi (Korean: 정유미) is a South Korean actress. Jung made her feature film debut in Blossom Again (2005) and has since starred in the critically acclaimed films Family Ties (2006), Chaw (2009), My Dear Desperado (2010), and Sleep (2023), as well as box office hits Silenced (2011), Train to Busan (2016) and Kim Ji-young: Born alongside Gong Yoo. She has also appeared in films by auteur Hong Sang-soo, notably Oki's Movie (2010) and Our Sunhi (2013). On television, she has starred in the series Live (2018) and Love Your Enemy (2024). Jung has received praise for her screen presence and versatility, and has received a Baeksang Arts Award, two Blue Dragon Film Awards, and a Grand Bell Award for her performances.