as Miyoshi
as Jang Pil-wu
as Jung Byung-su
as Moon Tae-seon
as Hwang Jin-man(12 eps)
as Kyung-rok's Father
as Hwang Chi-seong
as Jang Junik(9 eps)
as Lee Jae-geon(6 eps)
as Ryu Jung-seok(12 eps)
as Oh Sang-jae
as Yang Gwan-sik (middle-aged)(16 eps)
as Self(2 eps)
as Tae-seok / 6F(8 eps)
as Self(2 eps)
as Roh Tae-geon
as Park Seon-chang
as Doctor at School Infirmary
as Park Tae-soo
as Mr. Yoon
as Ahn Gi-chul
as Nam Geum-pil(12 eps)
as Kim Ho-tae
as Self(2 eps)
as Lee Tae-o(16 eps)
as Tae-seong
as Myeong-guk
as Yeong-su
as Jong-woo
as Mubaek(18 eps)
as Kwon Tae-ju
as Self(1 ep)
as Park Seon-chang
as Self(1 ep)
as Monk Gyeom-duk(16 eps)
as Sae-hoon
as Dong Sung-sik
as Tarobe
as Park Hyun-ik
as Self(1 ep)
as Self(1 ep)
as Song Jung-Ho(16 eps)
as Gwang-soo
as Min-ho
as Joon-soo
as Park Hyeong-sik(16 eps)
as Chun Kwan-woong(20 eps)
as Cha Jin-soo(20 eps)
as Kurosaki
as Beom-soo
as Detective Choi
as Dae-geun(24 eps)
as Loan Shark