허들

Choi Ye-bin

Seo-yeon

Kim Young-jae

Mun-seok

Lee Jung-ok

Coach Park

Kwon Hui-song

Min-jeong

Go Kyung-pyo

Teacher

Bae Yu-ram

Welfare staff

Park Choong-seon

Baek

Yang Heung-ju

Uncle

Lee Yu-kyung

Aunt

Oh Tae-kyung

Woo-sik

Byun Jin-su

Gi-tae

Sung Il

Coach Han