as Taesan Boss
as Mr. Koi(2 eps)
as Player 069(3 eps)
as Majae Gold Guru
as Man
as Detective(1 ep)
as CF Director(1 ep)
as Jeong-jo(4 eps)
as Reporter Song
as Chun-sik's Father
as Teacher(129 eps)
as Prosecutor(20 eps)
as Detective Kim(16 eps)
as Jo Yeong-gyu(50 eps)
as Interrogation detective(2 eps)
as Guard
as Ah Mu-gan(20 eps)
as Police
as Chief of Security
as Detective Kim
as Min-woo
as Ax
as Jung-tae
as Dong-soo's Henchman