When a battered boxer past his prime finds his dreams and his relationships on the ropes, he falls back in with a dangerous crowd and has to take the biggest swing of his life to reclaim his hope and his family.
| Actor | Role |
|---|---|
 Toby KebbellSal | Sal |
 Shia LaBeoufVince | Vince |
 James CosmoWelly | Welly |
 Michael SochaLittle Marcus | Little Marcus |
 Aiysha HartFay | Fay |
 Elaine CassidyElaine | Elaine |
 Barry WardPaddy | Paddy |
 Nell HudsonBecky | Becky |
 Kíla Lord CassidyMolly | Molly |
 Tom LeighLeo | Leo |
 Jermaine LiburdOliver | Oliver |
 Joel MorrisDale | Dale |
 Renu BrindleMarta | Marta |
 Carl FrochJJ's Trainer | JJ's Trainer |
 Mikey FanthamSammy Quinn | Sammy Quinn |
| SShaun Paul McGrathTaz | Taz |
| AAlina AllisonBillie | Billie |
 Michelle BonnardMrs. Edwards | Mrs. Edwards |
 Laurence SaundersBarry | Barry |
| DDominic FraserCommentator (voice) | Commentator (voice) |
 Sam ShoubberImran | Imran |
| GGail KempKaren Harewood | Karen Harewood |
 Gavin Lee LewisNot listed | Not listed |
 Jamie O'RourkeJamie McShane | Jamie McShane |
| MMartin FoxBoxing Crowd | Boxing Crowd |
| CCharlie WilliamsRyan McShane | Ryan McShane |
| OOllie FuggleYoung Sal | Young Sal |
| JJames BergelinBoxing Crowd | Boxing Crowd |
| LLiam Francis CollinsMichael Quinn | Michael Quinn |
| EEmir Jonathan SaniogluT-Bag | T-Bag |