as

CEO

as

Detective Koh

as

Dr. Yoon

as

Heo

as

Ji-hoon

as

General Charn

as

Heo Jun

as

Som-doll

as

Park

as

Shin Sung-min

as

Dr. Lee

as

Hyungjun

as

Kim Dong-sik

as

Ki-taek (Jun-ho's father)

as

Hyung-sik

as

Kim Cheol-su

as

Dong-sik

as

Wang-suk

as

Yun Ki-jun

as

Yong-mun

as

Do-sam

as

X-7

as

King Go-jong

as

Dr. Park

as

Noh Do-sun

as

Chi Fa

as

Hwang Yun-heon

as

Hwang Yun-heon

as

Mr. Jo

as

Eo-jin

as

Dong-su

as

Senior stationmaster