차승원

Det. Seong-ryeol Kim

송윤아

Ji-yeon Yu

류승룡

Je-kal

박원상

Det. Choi

Oh Jung Se

Kyeong-ho

김인권

Seok-jun

박효주

Hye-jin

양은용

Eun-young

예수정

Ji-yeon's mother

이엘

Young-sook

Choe Yoon-seul

Nurse

Um Tae-goo

Man on phone (uncredited)

임기홍

Detective

Yang Geun-seok

Plainclothes Officer 3

Yoon Jae-goo