Born in Eunpyong-Gu (Gija-Chon), a borough of Seoul, Lee moved to the United States in 1978. She attended Ohio State University on a scholarship for three years.
Lee has worked as an actress, appearing in films such as the erotic-thriller A Night On the Water (1998), Error in Judgment (1998), Chain of Command (2000), Nurse Betty (2000), This Girl's Life (2003), Christmas Vacation 2: Cousin Eddie's Island Adventure (2003), and The Girl Next Door (2004). She has also appeared on television, landing roles such as DC Comics villain Lady Shiva in 2002's Birds of Prey and the waitress Sophie on the soap opera Days of our Lives. In 2007 she played Tricia Tanaka in the Lost episode "Tricia Tanaka Is Dead". She also appeared in the series premiere of the FOX sitcom Back to You.
She was married on May 5, 2007, to her longtime boyfriend Jeremy Baker.
In 2007, Sung Hi retired from acting, but still produces nude pictorials and videos for her website. She is currently enjoying married life and looks forward to starting a family.
