Kam Woo-sung

Kang Min

Suh Jung

Min Su-jin / Eun-ah

Kang Kyung-hun

Hwang Su-yeong

Jang Hyun-sung

Choi Seong-hyeon

Son Byung-ho

Kim Cheol-ju

Cho Seong-ha

Choi Jong-Pil

Kim Hak-jun

Boy

Kim Hee-jung

Girl (uncredited)

Kim Young-jae

Doctor 1 (uncredited)

Jung Seung-kil

Detective Park / Male voice (uncredited)

Park Won-sang

Reporter Moon (uncredited)

Jung Sang-cheol

Chief detective

Yoon Young

Nurse

Yoo Joo-hyun

PD (uncredited)