이준기
The Priest
이시언
Astronaut
조현식
Human Guest from Room 404
허수빈
Refugee Woman in the flashback
Hong Seo-jun
Yoo-na's Father
김영선
Yoo-na's Mother
Lee Ji Wan
Jang Soo-jung
구다송
Yoo-na's Classmate
Kim Esther
정예빈
