Biography

Kim Jeong Hoon (born January 20, 1980), also known in Japan as "John Hoon", is a South Korean singer and actor. He initially rose to fame as a member of Korean duo UN debuting with the single Voice Mail in 2000. After the duo disbanded in 2005, his fame increased as an actor starring in Goong, a drama based on comic book of the same name.

He debuted as a member of Korean duo UN in 2000, an acronym for "United N-generation". After six years of success, the duo officially announced that they were disbanding in September 2005, and Hoon announced that he was going to pursue an acting career instead.[3] Hoon had stated that the conditions of the Korean music industry prevented him from pursuing music he truly wanted to do.
He originally wanted to be a laboratory researcher. Hoon didn't realize that he would become an actor and singer. By 2005 he had already begun starring in Korean dramas, such as sitcom Orange and 남과 여 (A Man and a Woman) in 2004. He had said his final dream is to become a renowned movie director.

He previously attended Seoul National University (College of Dentistry) until he dropped out to focus on his acting career. He is now a senior in Chung-Ang University, where he majors in acting.
Now he is leaving the public for military service of two years. Kim Jeong-hoon's fans from Japan, Korea, and China have come for a small and brief fan meeting and to see him off to serve the country.

TV drama
Year Film Role Notes
2002 Orange (오렌지)
SBS
2004 [Banjun Drama (반전드라마)]
SBS
X-Man
Korean Variety Show
2006 Goong (궁)
Lee Yul MBC
Fog Street (안개시정거리)
Lee Yoon Soo KBS2
Angel (會有天使替我愛你)
Guest Appearance
2007 Witch Amusement (恋爱兵法)
Yoo Jun Ha SBS
2008 Love Strategy (恋爱兵法)
Jin Zhen Hao / Kim Jung Ho Hunan TV

Film
2004 DMZ (bimujang jidae)
Kim Ji-hun
Shut Up! (Kkabuljima)
Myung-seok Kwon
2009 Cafe Seoul
korean-japan movie

Music Video Appearances
• "Don't Cry" by Paran
• "2nd Story" by RAN

Discography
• Mini-Album (at UN Years) - Best Album [2006]
• 1st Mini-Album - 5 Stella Lights [25.10.2006]
• 1st Single - Sad Song [28.02.2007]
• 2nd Single - Boku Wa Kimi Wo Aishiteru [16.05.2007]
• 3rd Single - Kimi ni Deatta Hi Kara [05.09.2007]
• 1st Album - Bokutachi Itsuka Mata... ~ETERNITY~ [17.10.2007]
• 4th Single - Sakura TEARS [20.02.2008]
• 5th Single - Kimi wo Mamoritai [16.07.2008]
• 6th Single - You Are Not Alone [01.10.2008]
• 2nd Album - Kyo mo Atarashii Yume wo Miru [05.11.2008]