임창정

Ho-Chang

엄지원

Se-Young

박철민

Seo Gon-Tae

Lee Dae-yeon

Director Baek

백일섭

Dong-Yeol's father

양희경

Dong-Yeol's mother

김희원

Byung-Hwan

Lee Geon-ju

Dong-Yeol

장원영

high school baseball coach

전국환

박용수

Kim Won-jin

Y Heavy #6

Yun Chan-sik

Jong beom