Yoon Jin-seo (Korean: 윤진서; born August 5, 1983), birth name Yoon Soo-kyung, is a South Korean actress. She rose to prominence for her performance as Lee Soo-ah in the 2003 thriller film Oldboy which earned her the Best New Actress Award at the 40th Baeksang Arts Awards. Yoon is also best known for her performances in Beastie Boys (2008) and The Royal Gambler (2016). She starred in the crime thriller Netflix drama series A Model Family (2022). (Via Wikipedia)