as Woo-sik
as Judge
as Manager
as MC
as Detective Oh
as Tae-kyung
as Detective Yeong Tae
as Patient
as Woo Sang Ki [Goldman Casino's accountant / Min Ho's father](16 eps)
as Han Kyeong-tae
as Ki-seop
as Jeong Eun-seok(1 ep)
as Nam-gi
as Kim Doo-nam
as Tae-dong
as Self
as Min-su
as Night Watcher
as Kwang-choon
as Jong-gil
as Soldier Ahn Gye-soo
as Min Soo-hyun
as Ki-beom
as Gwiddongi
as Big Seafood Restaurant Employee / Motorcycle Man
as Chut-yi
as Jeong-seo
as Hyun-yi
as Sergeant Jang Young-soo
as Cho Dong-gwan
as Young Dae-su
as Eom Chan-yong
as Seon-jae