How old was Jeong Yun Hui in High School Champ?

Lee Seung-hyeonLee Seung-hyeon was 15 in High School Champ as 'Seung-hyun'.

Birthday: Sun, Nov 26 1961

Kim Jung-hoonKim Jung-hoon was 15 in High School Champ

Birthday: Sat, Dec 02 1961

Jeong Yun-huiJeong Yun-hui was 22 in High School Champ

Birthday: Fri, Jun 04 1954

Ha Myeong-jungHa Myeong-jung was 29 in High School Champ

Birthday: Wed, May 14 1947

Kang Ju-huiKang Ju-hui was >> in High School Champ

Birthday: Unknown Birthday

Kim Eung-chunKim Eung-chun was 42 in High School Champ as 'Director'

Birthday: Sat, Mar 02 1935 –
Mon, Jun 11 2001