Kim Sae-ron is a South Korean actress. She began her career when she was nine years old and became a popular child star through the films A Brand New Life and The Man From Nowhere. As Kim reached her teenage years, she was cast in more leading roles, notably in the film A Girl at My Door. She has also starred in television drama series, including Can You Hear My Heart, The Queen's Classroom and Hi! School-Love On. Her first adult lead role was in the television drama Mirror of the Witch.