as Executive Director Kim (Eps 1)(1 ep)
as Ha Jae-hak
as Park Jin-gi
as Straw
as Flower shop owner
as Lee Gwang-cheol
as Choi Jong-goo
as Baek Il-du(14 eps)
as Bong Man Chul(16 eps)
as Chang-soo
as Man at the Internet Cafe
as Yong-deuk
as Report Bureau Chief
as Shadow 1
as Manager
as Won Man-hae(16 eps)
as Advertiser(1 ep)
as Director of the National Athletes
as Older father
as Kang Byung-joo
as Hee-ju's Stepfather
as Yoo Yang's father(10 eps)
as Jang-ho
as Detective Park
as APT
as Korean Ambassador
as Detective
as Jang Duk-jae
as 승만
as Cheon Tae-soon
as Patient 3 - Special appearance (환자3)
as Min-sung
as Errand Service Agency
as Union Leader
as Detetctive
as Pan-Ho
as Northern group platoon commande
as Jo Il-gu(1 ep)
as Hiker
as Il Geun
as Sang-ryeol
as Gym teacher (segment "Relay")
as Kwak
as Engineer
as Ax
as Food Cart Owner
as Dol-Dom
as Byung-jin
as Young-sam
as Site Manager
as Yong-shik
as Yeo-min's father
as No Joo-hwan
as Detective Ji
as Army Surgeon
as Chul-hyun
as Hwang Jun-seok
as Detective Ji
as Myeong-do Boss
as Henchman 2
as Scar-Eye's Shadow
as Baek Du-san
as OP Special Assault Team
as Yang Soo(1 ep)