Sulli began Berlakon professionally at the age of 11, when she was selected to play young Princess Sun-hwa in the SBS Televisyen drama, The Ballad of Seo-dong.[1] A few months later, she made a cameo appearance in Cinta Needs a Miracle, another SBS Televisyen drama. In 2006, she made a small supporting appearance as the childhood crush of TVXQ's Micky in the theatrical drama Vacation. Sulli later landed a small role in punch Lady and The bunga Girl is Here (2007) and also BABO (2008).