Park Bo-young
Se-Hee
Park Bo-young
Se-Hee
Joo Won
Joon-Hyuk
Kang Byul
Jung-Mi
Kim Min-hyuk
Detective Kim
Lee Marg-Eum
girl
Kang Hae-In
cutie
Kwon Nam-hee
girl's mother
Jeong Dong-gyoo
Se-Hee's father
Choi Ji-Hun
Ji-Hun
Nam Kyung-eup
Detective Jang
Min Young
homeroom teacher (uncredited)
Han Ye-Na
teacher (uncredited)
Cha Ji-hyun
Executive Producer
Kim Gi-tae
Director of Photography
Kim Tae-kyung
Director
Kim Tae-Hyoung
Writer
Hong Geon-Gook
Writer
Kim Yong
Producer
Lee Seung-chul
Sound Supervisor
Jang Won-seok
Executive Producer
Lee Yo-han
Production Design
Chae Kyung-hwa
Costume Design
Choi Kwan-young
Writer