Jeon Yeo-been

Young-hee

Seo Young-hwa

Kyung-min's Mother

Go Won-hee

Han-sol

Lee Tae-kyung

Yu-ri

Jeon So-nee

Kyung-min

You Chea-myung

Detective Kim

Seo Hyun-woo

Homeroom Teacher

Jung In-gi

Kyung-min's Father

Son Kang-gook

Young-hee's Father

Heo Dong-won

Detective

Jeong Ae-hwa

Kyung-min's Grandmother

Sunwoo Jung-a

Singer

Park Gil-su

Principal

Lee Bom

Da-som

Shin Gi-hwan

Cursed Child