Amir El-MasryPrince Naseem "Naz" Hamed Pierce BrosnanBrendan Ingle Toby StephensFrank Warren Katherine Dow BlytonAlma Ingle Sanchez BrownJohnny Nelson Kwame BentilManny Steward Doren John FarmerRicky Beard Olivia BarrowcloughVicki Quinn Geoff HoggSteve Robinsons Cornerman Ghaith SalehYoung Naz (7) Clint GordonAmerican Barber Archie ThompsonYoung John Ingle Oliver MasonUK Commentator (voice) Belal StitanMurad Hamed (as Ahmed Stitan) Jamie SandersfieldChris Evans Philip GascoyneNew York Journalist Sofia PriceRingside Spectator Oliver Joseph BrookeWembley Announcer Michael Wilson-DukesBoxing Referee Harris KiizaYoung Kell Brook Stephen GilroyReverend Thomas Stephen SealRing Official Callum HanneyDominic Ingle Billy HerringBoxing Commentator UK & US(voice) Luke PhilpottRicky Beard Cornerman Alfie William GosnayDaz (8) Eisa MohammedRiath Hamed (12) Aron YacobiNabeel Hamed (9) Kelsea Jo BrookeEditing Student Kwok NgMexican Boxer's Corner Man Rowan AthaleReżyseria / Scenariusz Braden AftergoodExecutive Producer Sylvester StalloneExecutive Producer Matthew HeldermanExecutive Producer Alastair BurlinghamExecutive Producer Patrick FischerExecutive Producer Zach GarrettExecutive Producer Luke TaylorExecutive Producer Jennifer ErikssonExecutive Producer Larry SmithDirector Of Photography Neil AthaleOriginal Music Composer Colin JonesCasting Director 
