크레딧 출연 실베스터 스탤론 Himself - Boxing Mentor Sergio Mora Brent Cooper Tarick Salmaci Najai Turpin Anthony Bonsante Jimmy Lange Alfonso Gómez Joey Gilbert Ahmad Kaddour Jeff Fraza Jonathan Reid Jesse Brinkley Juan de la Rosa Miguel Espino Ishe Smith Sugar Ray Leonard 스텝 Jeffrey Katzenberg Production 실베스터 스탤론 Production