Kim was bashful as a kid, so she decided to get over her shyness by taking drama classes in the seventh grade. She was immediately cast in a musical and fell in love with the theatre.

Her Korean feature film credits include starring roles in Ardor, Yesterday, Iron Palm, Ginko Bed 2 and the Japanese film, Rush, as well as roles in the television weekend dramas With Love and Wedding Dress, and the miniseries Hunch and Beautiful Vacation.

Kim was the Goodwill Ambassador for the 2002 World Cup in Japan and Korea, representing Korea. While born in Seoul, Korea, she grew up in Staten Island, New York. She attended the prestigious High School of Performing Arts in New York and received her BFA in acting from Boston University.

Kim resides in South Korea with the love of her life ? her 14-year-old dog, Tobi.