감우성

Kang Min

서정

Min Su-jin / Eun-ah

강경헌

Hwang Su-yeong

장현성

Choi Seong-hyeon

조성하

Choi Jong-Pil

손병호

Kim Cheol-ju

Kim Hak-jun

Boy

김희정

Girl (uncredited)

정승길

Detective Park / Male voice (uncredited)

Jung Sang-cheol

Chief detective

Yoon Young

Nurse

김영재

Doctor 1 (uncredited)

Yoo Joo-hyun

PD (uncredited)

박원상

Reporter Moon (uncredited)

Song Il-gon