시크릿

ชา ซึง-ว็อน

Kim Seong-ryeol

송윤아

Yu Ji-yeon

류승룡

Je-kal

박원상

Det. Choi

오정세

Kyeong-ho

김인권

Seok-jun

박효주

Hye-jin

양은용

Eun-young

예수정

Ji-yeon's Mother

이엘

Young-sook

최윤슬

Nurse

엄태구

Man on Phone

임기홍

Detective

양근석

Plainclothes Officer

이철민

Cho Dong-cheol

이재구

Goo Cheol-seung

최성민

Doctor

송지인

Poster woman

정인기

Kang

김동주

Seok-jun's mother