少年非行

元志安

Kyung Da Jung

尹灿荣

Gong Yoon Tak

尹贤秀

Gong Yoon Jae

李洗赈

Kim Gook Hee

양서현

Hong Ae Ran

朴朱容

Detective Park

최영도

Gong Sung Chul [Yoon Tak's father]

车胜允

Jong Min