Sung Yu-ri is a South Korean actress and singer. She made her entertainment debut in 1998 as a member of the now-defunct K-pop group Fin.K.L. Sung turned to acting in 2002, starring in television dramas such as Thousand Years of Love (2003), The Snow Queen (2006), Hong Gil-dong (2008), and Feast of the Gods (2010).

Fin.K.L is a South Korean girl group formed by DSP Media in 1998 consisting of members Lee Hyori, Ock Joo-hyun, Lee Jin, and Sung Yu-ri. Fin.K.L was one of the most popular K-pop groups of the late 1990s and early 2000s, alongside rival girl group S.E.S. The group cemented their popularity in South Korea with the release the songs "To My Boyfriend" in 1998, "Eternal Love" in 1999, and "Now" in 2000.