as Union President(2 eps)
as Street vendor Choi(1 ep)
as Chief Choi Jong Jin(2 eps)
as Kyung-sik(6 eps)
as Park Kyeong-sik
as Kim Uk Hyeon [Assemblyman](1 ep)
as Seo Ki-chang(2 eps)
as Han Seok-yool's father(1 ep)
as Boss
as Gambling place man 1/ Villager (voice)
as Na-na's Father(20 eps)
as Seo Chang-man
as Doctor
as Juror 1
as Fisherman 1
as Teacher
as Chief of Police
as Sam Sun's father(16 eps)
as Vice principa
as Banker
as Sang-woo's Dad
as Psychiatrist
as Jeong-woo's father
as Detective
as Doctor
as Officer
as Biology Teacher
as Museum Colleague
as Hwang
as Father