Sulli began jouer la comédie professionally at the age of 11, when she was selected to play young Princess Sun-hwa in the SBS télévision drama, The Ballad of Seo-dong.[1] A few months later, she made a cameo appearance in l’amour Needs a Miracle, another SBS télévision 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 coup de poing Lady and The fleur Girl is Here (2007) and also BABO (2008).