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