as Um Jong-do(12 eps)
as Bu Oh-seong(3 eps)
as Chang-bae
as Lee Mu-gyeol(16 eps)
as Chae Seung-beom(2 eps)
as Dad
as Shim Heon(16 eps)
as Yoo Sung Pil
as Kim Nam Gook(12 eps)
as [Violent guy at hook-up bar](1 ep)