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)

정상철

Chief detective