as Park Kyung-tae
as Do Yoon-sik(12 eps)
as Sung-myung
as Doctor
as Jang Han-Gu(12 eps)
as Gui-nam
as Disciplinary Committee(2 eps)
as Kang Sang-un(12 eps)
as Yeong-song(16 eps)
as Judge(1 ep)
as Cho Soon-wu
as Jong-wook
as Mi-ran's ex-husband(1 ep)
as Yong Moon-goo(16 eps)
as Kim Jae-wook(16 eps)
as Hwang Seong-woo
as Son Je-hyeok(16 eps)
as Jang Gook-yeong
as Jeong Man-bok(14 eps)
as Mr. Kang
as Joon-yeong
as Hyun-woo
as Moon Jae-sang(48 eps)
as Do Joon-young(16 eps)
as Sung Cheol-woo(16 eps)
as Jin-ryung
as [Sung Kyu's Father]
as Inspector
as Choi Jin Tae(16 eps)
as Wu Dazhi
as PD
as King
as Kim Sang-woo
as Oh Hyeon
as Ji-soo's father
as Jung-min
as Kang Sung-tae
as Lee Taeyong
as Young-jin
as Min
as King Gojong
as Dae-hee
as Jung Myung Hwan(19 eps)
as Gu-sang
as Mr. Choi(52 eps)
as Ki-young
as Dong-sik
as Young Adult Monk
as Ji-hum