Jeon Yeo-been

Young-hee

Seo Young-hwa

Kyung-min's Mother

Go Won-hee

Han-sol

Lee Tae-kyung

Yu-ri

Lee Bom

Da-som

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

Jung Ae-hwa

Kyung-min's Grandmother

Park Gil-soo

Principal

Heo Dong-won

Detective

Sunwoo Jung-a

Singer

Park Kil-soo

Principal

Shin Gi-hwan