One Word: Talent
Profile
Name: 고아성 (Go Ahsung)
Date of Birth: 1992.08.10
Official Site: Click ^O^
Movie
[2007] 즐거운 인생 (The Happy Life) as 기영의 딸 주희 (Giyoung's daughter, Juhee)
[2006] 괴물 (The Host) as 현서 (Hyunseo)
Drama
[2005] 떨리는 가슴 (Beating Heart) as 보미 (Bomi)
[2005] 슬픈연가 (Sad Love Story) as 박혜인 (Park Hyein)
[2004] 울라불라블루짱 (Princess Bluestone) as 노다지 (No Daji)
I've searched, but I didn't see a thread for her, so if such a thread exists, please lead me to it.
That said, this is one actress to watch out for.