Cast
Seo Eun-kwangDJ (Episode 1 - 6)
Seo Eun-kwang was 28 in Idol Radio - Season 1 - Do.You.Understand? (Episode 246). Birthday: Thu, Nov 22 1990
Jung Il-hoonDJ (Episode 7 - 363)
Jung Il-hoon was 24 in Idol Radio - Season 1 - Do.You.Understand? (Episode 246). Birthday: Tue, Oct 04 1994
Choi Young-jaeDJ (Episode 594 - 714)
Choi Young-jae was 22 in Idol Radio - Season 1 - Do.You.Understand? (Episode 246). Birthday: Tue, Sep 17 1996
Young KDJ (Episode 594 - 714)
Young K was 25 in Idol Radio - Season 1 - Do.You.Understand? (Episode 246). Birthday: Sun, Dec 19 1993
Seo Eun-kwang
Jung Il-hoon
Choi Young-jae
Young K