Director
Kim Soo-in
DIRECTOR
Writer
WRITER
Stars (in credits order)
An So-hee
Yoon-im
Park Sang-nam
Gi-haeng
Jo Eun-yoo
Na-eun
Hyeok-il Kang
Kim Jin-do
Jeong In-gi
Deputy director
Lee Jae-In
Vice-principal
Yang Ji-il
Instructor
Joon-hwi Jang
School head
Yoon Jun Won
Detective Joo
Ko Seo-hie
Hye-rin's mom
Shin So-yul
Yoo-jeong
Kim Tae-joon
Detective Park
Oh Tae-kyung
Takuya Terada
Michio
Bae Yu-ram
Dong-hwa
