She joined the middle school drama club in the 7th grade and performed in the musical My Fair Lady.

[7] After graduation, Kim played several minor parts on MTV, in soap opera-style dramas on ABC, and on the off-Broadway stage.

[7] Then in 2002, Kim took the lead role in the feature film debut of documentarist Byun Young-ju, Ardor.

[9] In 2023, she acted as Principal Jina Lim in revolutionary English-Korean Netflix TV Series, XO, Kitty.

[9] Kim married her former manager Park Jeong-hyeok in March 2010 on the island of Oahu, after shooting her final scenes for Lost.