Lee Beom-soo

Lee Ji-bong

Jo An

Park Young-ja

Choi Hee-seo

Seo Yeo-soon

Kim Min-young

Lee Bo-young

Byun Hee-bong

School Superintendent

Gi Ju-bong

Director Baek (cameo)

Ahn Yong-jun

In-ho

Lim Seung-dae

Kim San

Shim Sang-hwan