Award-winning actress first known for her childhood role in the South Korean monster film The Host. She also appeared in the KBS2 television series Master of Study, as well as the films Snowpiercer, Duet, and Elegant Lies.
She acted in her first television commercial when she was just four years old and appeared in her first musical play at the age of ten. In her early teens, she became part of a Korean Broadcasting System children's series called Oolla Boolla Blue-Jjang.
She studied psychology at Sungkyunkwan University and displayed her original photographs in a 2010 exhibition.
She was born and raised in Seoul, South Korea.
She and Song Kang-ho costarred in both The Host and Snowpiercer.