as Kang Jin-su
as Sung-hyun
as Dong-chun
as Jung-Bok(9 eps)
as Gambler
as Priest
as Nam-il
as Manager
as Bum-sun(12 eps)
as Squad Leader
as Lee Tae-won
as Double agent(1 ep)
as Hospital hostage taker(1 ep)
as Sang-min(1 ep)
as Public Security Elite Agent (Sewage Culvert)
as Chul-yoon
as North Korean Defector(2 eps)
as Yeongdeungpo Thug at the Graveyard