as

Ko Eun-gyeong

as

Ms. Jeong

as

Teacher

as

Ji-hye

as

Detective Oh

as

Hae-oak

as

Eun-kyoung

as

Young-jin

as

Science Teacher

as

Sora Asami / Umi Asami

as

Choi Seon

as

San Soo

as

[Jo Yi Seo's teacher]

as

Kindergarten Teacher

as

Kyeong-joo

as

Eun-hye

as

Tae-kyung

as

Min-ju

as

San-soo

as

Yu-ri

as

Director

as

So-jin

as

Mi-ran

as

Ji-won

as

Yoon-sung