Wei-wei
Sung Chung-su
Kim
Rival Baseball Team Director
Ito Hiroshi
Loan Shark
KBO Commissioner
Wei-wei's Grandfather
Young Wei-wei
Detective So
Caster
Jung-eun
Mr. Go
Orthopedic Doctor
Gong In-gu
Show Host
Referee
Zeroz
Doosan Bears Manager
Man with Fan
Lin Xiaogang
