* Profession: Actress, singer and author
* Birthdate: 1984-Nov-09
* Birthplace: Incheon, South Korea
* Height: 163cm
* Weight: 42kg
* Star sign: Scorpio
* Blood type: A
* Talent agency:YG Entertainment
Dramas
* Boys Before Flowers (KBS2, 2009)
* Strongest Chil Woo (KBS2, 2008)
* The King and I (SBS, 2007)
* Pure 19 (KBS1, 2006)
* Ballad Of Suh Dong (SBS, 2005)
* Nonstop (MBC, 2005)
* Drama City (KBS2, 2004/2005)
Movies
- August Rush (cameo, 2007)
- 2009 6th Yahoo! Asia Buzz Awards: Best Asian Female Star
- 2009 Andre Kim Best Star Awards: Best Female Star
- 2009 14th Asian Television Awards: Nominated for Best Drama Performance by an Actress Boys Before Flowers
- 2009 Pusan Asian Short Film Festival: Audience Award for Cheerful Caretaker
- 2007 SBS Acting Awards: New Star Award
- 2006 KBS Acting Awards: New Actress Award
- Education: Shin Chon Elementary School, Bu Pyeong Dong Elementary School, Bu Heung Middle School, Bu Pyeong Girls' High School, Seoul Art College
- She was the MC of the popular music program Inkigayo on SBS (2006-2007)
- She hosted the SBS Drama Award in 2007
- She sang the theme song for her drama Pure 19
