Krystal had been recently cast for a role of a girl named Yoona, which YoonA of SNSD (the matching name is entirely coincidental) has originally been penciled in for. However, due to inevitable scheduling conflicts, YoonA had to bow out.
The production team believed Krystal was an ideal replacement, with her unique style and feel. Many netizens also agreed, as they believed that Krystal shares many identical features with YoonA, both personality and appearance-wise.
After learning that she’s actually taken YoonA’s role, Krystal felt apologetic and expressed her feelings publicly for her senior
Sulli began acting professionally at the age of 11, when she was selected to play young Princess Sun-hwa in the SBS television drama, The Ballad of Seo-dong.[1] A few months later, she made a cameo appearance in Love Needs a Miracle, another SBS television 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 Flower Girl is Here (2007) and also BABO (2008).
