The other three members of the F4 were then cast with Lee Min-Ho, Kim Beom, Kim Jun playing their respective characters.
Kim Hyun-Joong was at first reluctant to take on the role of Yoon Ji-Hoo due to fear of ruining his musical career.
Remarkably, Kim Hyun-Joong was able to save nearly 100,000,000 won (roughly $87,000 USD) from his part-time jobs by his year school years. During Kim Hyun-Joong's late teen years, he felt the subjects he was learning in high school were useless for his life and, consequently, decided to drop out of high school.
Often, during this time, he wound up at the police station for fighting. By the age of 18, Kim Hyun-Joong performed in a youth band named "Aksuseu" ("악서스"), which was formed with Kim Hyun-Joong's Catholic Church friends.
They were quite popular in his local neighborhood of Songpa-gu in Seoul. While working part-time jobs, Kim Hyun-Joong was cast by the boss of an entertainment company, but the boss turned out to be a con man.
Kim Hyun-Joong was born on July 6, 1986 in Seoul, South Korea.
His family consists of his parents and one older brother.
Kim Hyun-Joong was a diligent student in elementary school & received high scores.
Things changed for Kim Hyun-Joong by his middle school days.
After getting away from that management company Kim Hyun-Joong was introduced DSP Entertainment and, after auditions, became a member of boy band SS501.
SS501 released their self-titled debut album "SS501" on June 23, 2005.
Since then Kim Hyun-Joong has performed as a singer until being cast in the KBS2 drama "Boys Over Flowers".
Kim Hyun-Joong was the first member of the F4 group in "Boys Over Flowers" to have been cast.