만분의 일초

주종혁

Kim Jae-woo

Moon Jin-seung

Hwang Tae-su

장준휘

Choi Jun-hee

김용석

Han Won-sang

최민철

Coach Nam Gi-cheol

이주연

Woo Su-a

박지아

Jae-woo's mother

Jo Yu-sin

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