indie rock band C.N.Blue .In May 2010, it was revealed that Seohyun and Taeyeon were casted as voice actors for the Korean version for the 3D animation Despicable Me . Seohyun will dub the character Edith, while Taeyeon's role is Edith's older sister Margo. Labels: SNSD Seo Joo Hyun (Seohyun) Going crazy