Career
Yoon was the representative of Gyeonggi Province at the Mission of Korea beauty pageant in 2000, then lived in obscurity for several years while trying to find work as an actress. She made her breakthrough in 2005 in the hit drama Dear Heaven, followed by more leading roles on television, including Blissful Woman (2007), and Family"s Honor (2008). She also starred in the horror film Death Bell (2008).