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TV Series
2008 - Love Strategy (Hunan TV)
2007 - Witch Amusement as Yoo Joonha (SBS)
2006 - Angel (guest)
2006 - Fog Street (KBS2)
2006 - Princess Hours (Goong) (MBC)
2005 - Banjun Drama (SBS)
2002 - Orange (SBS)
Movies
2009 - Cafe Seoul
2004 - DMZ
2004 - Shut Up!
2006 - Mini-Album (at UN Years) - Best Album
2006 - 1st Mini-Album - 5 Stella Lights
2007 - 1st Single - Sad Song
2007 - 2nd Single - Boku Wa Kimi Wo Aishiteru
2007 - 3rd Single - Kimi ni Deatta Hi Kara
2007 - 1st Album - Bokutachi Itsuka Mata.
2008 - 4th Single - Sakura TEARS
2008 - 5th Single - Kimi wo Mamoritai
2008 - 6th Single - You Are Not Alone
2008 - 2nd Album - Kyo mo Atarashii Yume wo Miru
Debut: As leader and lead vocals for the K-group 'UN' (United N-Generation), a group he was a part of from 1999 to 2006
Education: Seoul National University, majoring in Dentistry; transferred to Chung-Ang University, majoring in Acting
Hobbies: Listening to music, computer games, and pool/billiards