이태경

Nam Ga-yeon

Ko Eun-gyeong

Ji-hye

Teacher

Ms. Jeong (segment "A New Mind")

Hae-oak

Eun-kyoung

Detective Oh

Young-jin

Science Teacher

Sora Asami / Umi Asami

Kindergarten Teacher

San Soo

Choi Seon

[Jo Yi Seo's teacher]

Tae-kyung

산수

Min-ju

Eun-hye

Kyeong-joo

Yu-ri

Director

So-jin

Mi-ran