All Cast
Jung Jae-young
Han Jung-seok
Han Ji-min
Yoo So-jung
Kim Ji-young
Psychiatrist
Cha Ye-ryun
Lee Ji-won
Choi Won-young
Kang Byung-soo
Hwang Byeng-gug
Japanese researcher (uncredited)
Seong Byeong-suk
Mi-young
Ha Jae-sook
Lethargy woman
Park Gil-su
Section chief Nam (uncredited)
Yoon Kyung-ho
Drunk (uncredited)
Go Seo-hee
(uncredited)
