Kim Young-min

as Park Kyung-tae

as Lee Seong-Myung

as Doctor

as Jang Han-Gu (12 episodes)

as Gui-nam

as Disciplinary Committee (2 episodes)

as Kang Sang-un (12 episodes)

as Yeong-song (16 episodes)

as Judge (1 episode)

as Cho Soon-wu

as Jong-wook

as Mi-ran's ex-husband (1 episode)

as Yong Moon-goo (16 episodes)

as Kim Jae-wook (16 episodes)

as Hwang Seong-woo

as Son Je-hyeok (16 episodes)

as Jang Gook-yeong

as Jeong Man-bok (14 episodes)

as Mr. Kang

as Joon-yeong

as Hyun-woo

as Moon Jae-sang (48 episodes)