as Chi Fa
as Park
as Kim Cheol-su
as Som-doll
as Dong-sik
as Senior stationmaster
as Dr. Lee
as Hwang Yun-heon
as Dong-su
as Kim Dong-sik
as Yun Ki-jun
as CEO
as X-7
as Hyungjun
as King Go-jong
as Detective Koh
as Dr. Park
as Wang-suk
as Noh Do-sun
as Eo-jin
as Mr. Jo
as Yong-mun
as Ki-taek (Jun-ho's father)
as Ji-hoon
as Hyung-sik
as Do-sam
as Dr. Yoon
