as Lee Woo-ram
as Bae Chan-soo(5 eps)
as Woon-hee(12 eps)
as Dae-hoon(4 eps)
as Detective #2
as Byeong-kwan (병관)(1 ep)
as Jo Pan-shik (young)(16 eps)
as Jung Bal-san(16 eps)
as Janggyeong High Class President(1 ep)
as Club President
as Cha Jin-hu(16 eps)
as Dae-su
as Student(1 ep)
as Byeong Gwan(1 ep)
as Lee Nam-gyeong(2 eps)
as Woo-hyeok
as Jong-ro
as Kang Do-ha(16 eps)
as [Mold youth](1 ep)
as Joo-sung
as Mold Youth
as Kang Byeong-joon(6 eps)
as Kang Min-u(6 eps)
as Seong-bum
as Iggs(1 ep)
as Byeong-wook