A former arm-wrestling champion raised in the U.S. returns to South Korea for a tournament that could return him to glory, but he finds his life complicated by the appearance of the biological family he never knew.
마동석
as Mark
Kwon Yul
as Jin-ki
한예리
as Soo-jin
Choi Seung-hoon
as Joon-hyung
Ok Ye-rin
as Joon-hee
손숙
as Mark's Mother
John D. Michaels
as Fight Announcer
카슨 앨런
as Announcer
이규호
as Punch
Derek Chouinard
as Club Goer
No Ji-yoo
as Exhibition Hall Reporter
Jeon Gwon-ha
as Prison Punch Opponent
