걷기왕

심은경

Man-bok

박주희

Soo-ji

허정도

Athletic Club Coach

김새벽

Homeroom Teacher

윤지원

Ji-hyeon

Kim Kwang-kyu

Father

김정영

Mother

안승균

Jeong-don

이주영

Athletic Club Member

최명빈

Young Man-bok

Ham Seong-min

Student

주인철

Seoul Team Coach 1

이새로미

Doctor

최원

Maths Teacher