徐嬌

Wei-wei

성동일

Sung Chung-su

김강우

Baseball Team Director

김정태

Rival Baseball Team Director

オダギリジョー

Owner of Baseball Team Junichi Ito

김희원

Loan Shark

김응수

KBO Commissioner

변희봉

Wei-wei's Grandfather

김지영

Young Wei-wei

Ko Chang Seok

Detective So

마동석

Caster

김정은

Jung-eun

김흥래

Mr. Go

Jo Jae-yun

Orthopedic Doctor

정인기

Gong In-gu

김용화