Casts
Lim Soo-jung
as Yoon-jung / So-eun
Cho Jung-seok
as Ji-hwan
Lee Jin-uk
as Detective Gun-woo
Jung Jin-young
as Detective Kang
Lee Ki-woo
as Detective Lee
On Ju-wan
as Teacher Park
Lee Tae-ri
as Kang Seung-bum
Chun Sin-hwan
as Biology Teacher
Kim Bo-ra
as Choi Hyeon-ju
Shin Ji-soo
as Nice Schoolgirl
