character - CEO

character - Detective Koh

character - Dr. Yoon

character - Heo

character - Ji-hoon

character - General Charn

character - Som-doll

character - Park

character - Dr. Lee

character - Hyungjun

character - Kim Dong-sik

character - Ki-taek (Jun-ho's father)

character - Kim Cheol-su

character - Dong-sik

character - Hyung-sik

character - Yun Ki-jun

character - Wang-suk

character - Yong-mun

character - Do-sam

character - X-7

character - Dr. Park

character - King Go-jong

character - Chi Fa

character - Noh Do-sun

character - Hwang Yun-heon

character - Hwang Yun-heon

character - Mr. Jo

character - Eo-jin

character - Dong-su

character - Senior stationmaster