강예원
— Kang Su-a
이상윤
— Na Nam-su
최진호
— Jang Hyung-sik
지대한
— Kang Byung-joo
Kim Jong-soo
— Director Cha
Cheon Min-hui
— Mi-ro
Lee Hak-joo
— Dong-sik
Jang Tae-seong
— Depeartment Head Gu
유건
— Woo-jin
Choi Youn-so
— Ji-young
Jo Jae-yun
— Detective Park
Kil Hae-Yeon
— Su-a's mother
김한종
— Balbari
김원중
— Section Cheif Kim
박세진
— (uncredited)
Lee Gyu-ho
— Camera
Ahn Ji-hye
— Yeo Kyung
김호원
— Doctor