Jang Man-wol
Goo Chan-sung
Kim Sun-bi
Choi Seo-hee
Ji Hyun-joong
Go Chung-myung
Kim Yoo-na
Sanchez
God Mago
Angel of death
Yeon-woo / Park Young-soo
Princess Song-hwa / Lee Mi-ra
The Priest
Astronaut
Human Guest from Room 404
Refugee Woman in the flashback
Yoo-na's Father
Yoo-na's Mother
Jang Soo-jung
Yoo-na's Classmate
