Lee Tae-kyung

as Nam Ga-yeon

as Ko Eun-gyeong

as Ji-hye

as Teacher

as Ms. Jeong (segment "A New Mind")

as Hae-oak

as Eun-kyoung

as Detective Oh

as Young-jin

as Science Teacher

as Sora Asami / Umi Asami

as Kindergarten Teacher

as San Soo

as Choi Seon

as [Jo Yi Seo's teacher]

as Tae-kyung

as 산수

as Min-ju

as Eun-hye

as Kyeong-joo

as Yu-ri

as Director

as So-jin

as Mi-ran

as Da-jeong

as Ji-won

as Na-un

as Yoon-sung

as 오은혜