All Cast
Kim Ha-neul
Min Soo-ah
Yoo Seung-ho
Kwon Gi-sub
Jo Hee-bong
Detective Jo
Yang Yeong-Jo
Myung-jin
Kim Mi-kyeong
School Director
Park Choong-seon
Detective Chief
Park Bo-gum
Min Dong-hyun
Sa-hee
Jeong-yeon
Kim Kyung-ik
Doctor
Phillip Choi
Detective from Information Section
Won Pung-yeon
Detective 1
Choi Eun-suk
Detective 2
Oh Dae-hwan
Detective 3
Jeon Joo-woo
Detective 4
