Moon Geun-young is a South Korean actress. Affectionately called the "Nation's Little Sister", Moon began modeling at the age of 10, then made her acting debut in 1999 as a child actress. She first rose to stardom through her role as the young Eun-suh in the hugely popular television drama series Autumn in My Heart (2000), followed by a well-received turn in Kim Jee-woon's critically acclaimed horror film A Tale of Two Sisters (2003). Wikipedia