He is a South Korean actor.
as Ma Hee-do(12 eps)
as Jung Jin Gyu [Songwon police station chief](20 eps)
as Choi Jeong Ho(8 eps)
as Do Pyeon-gang(16 eps)
as Kim Seok-hyun(16 eps)
as Na Jung-beom(16 eps)
as Kim Gwang Tae(1 ep)
as Lee Jong Gu [Min Suk's husband](2 eps)
as Han Myung-Jin(16 eps)
as [Prosecutor](1 ep)
as Noh San-woo(16 eps)
as Ok Ju-man(2 eps)
as Disciplinary Teacher(16 eps)
as Ik-jun's Professor(1 ep)
as Park Jin-man(32 eps)
as Jeon Won-Chool(16 eps)
as Hwang Doo-Sik(32 eps)
as Kong Seung-cheol(32 eps)
as Yoon Seung-Soo(32 eps)
as Kim Yong Chul [Prison Warden](16 eps)
as [Magistrate](1 ep)
as Sang-cheol's Father
as Professor Park(1 ep)
as Soon Jong
as Manager Shin [Dong Gyu's brother in-law](16 eps)
as Hunter Ahn
as Section Chief Yoon(12 eps)
as [Taxi Driver](1 ep)
as Detective
as Kang Dong Won(1 ep)