정재영

Han Jung-seok

Han Ji Min

Yoo So-jung

김지영

Psychiatrist

차예련

Lee Ji-won

최원영

Kang Byung-soo

황병국

Japanese researcher (uncredited)

성병숙

Mi-young

Ha Jae-sook

Lethargy woman

박길수

Section chief Nam (uncredited)

윤경호

Drunk (uncredited)

고서희

(uncredited)

김지훈

Deong-chi

Sung Si-hup