as Detective Oh

as Science Teacher

as Sora Asami / Umi Asami

as Ms. Jeong

as Teacher

as Kyeong-joo

as Hae-oak

as Eun-kyoung

as Yu-ri

as Director

as Eun-hye

as So-jin

as Ji-won

as Tae-kyung

as Min-ju

as Yoon-sung

as Choi Seon

as Mi-ran

as San-soo

as San Soo

as Young-jin

as Ji-hye

as Ko Eun-gyeong

as 오은혜