감우성
— Kang Min
서정
— Min Su-jin / Eun-ah
강경헌
— Hwang Su-yeong
Jang Hyun-sung
— Choi Seong-hyeon
조성하
— Choi Jong-Pil
손병호
— Kim Cheol-ju
Kim Hak-jun
— Boy
김희정
— Girl (uncredited)
Jeong Seung-gil
— Detective Park / Male voice (uncredited)
Jung Sang-cheol
— Chief detective
Yoon Young
— Nurse
김영재
— Doctor 1 (uncredited)
Yoo Joo-hyun
— PD (uncredited)
Park Won-sang
— Reporter Moon (uncredited)