만분의 일초

주종혁

as Kim Jae-woo

Moon Jin-seung

as Hwang Tae-su

장준휘

as Choi Jun-hee

Kim Yong-seok

as Han Won-sang

최민철

as Coach Nam Gi-cheol

이주연

as Woo Su-a

박지아

as Jae-woo's mother

Jo Yu-sin

as Jae-woo's father (Kim Cheol-won)

전진기

as Head Coach Ahn Seong-hyun

오자훈

as Jae-woo (young)