 Michael B. JordanAdonis Johnson | Adonis Johnson |
 Sylvester StalloneRocky Balboa | Rocky Balboa |
 Tessa ThompsonBianca | Bianca |
 Phylicia RashādMary Anne Creed | Mary Anne Creed |
 Andre WardDanny 'Stuntman' Wheeler | Danny 'Stuntman' Wheeler |
 Tony Bellew'Pretty' Ricky Conlan | 'Pretty' Ricky Conlan |
 Ritchie CosterPete Sporino | Pete Sporino |
 Jacob 'Stitch' DuranStitch | Stitch |
 Graham McTavishTommy Holiday | Tommy Holiday |
 Malik BazilleAmir | Amir |
 Ricardo 'Padman' McGillPadman | Padman |
 Gabriel RosadoLeo 'The Lion' Sporino | Leo 'The Lion' Sporino |
 Wood HarrisTony 'Little Duke' Burton | Tony 'Little Duke' Burton |
 Buddy OsbornConlan's Cut Man | Conlan's Cut Man |
 Rupal PujaraDr. Kathari | Dr. Kathari |
 Brian Anthony WilsonJames | James |
| JJoey EyeSporino Cut Man | Sporino Cut Man |
 Johanna TolentinoLady Cop | Lady Cop |
 Tony BriceTone Trump | Tone Trump |
 Kash GoinsLarry | Larry |
| MMichael BarkerReporter | Reporter |
 Clare O'MalleyReporter | Reporter |
 Kevin King TempletonPress Conference Moderator | Press Conference Moderator |
 Roy James WilsonCity Jail Cop | City Jail Cop |
 Mauricio OvalleFlores' Trainer | Flores' Trainer |
 Mark Rhino SmithConlan's Buddy | Conlan's Buddy |
| JJosue RiveraTijuana Fight Promoter | Tijuana Fight Promoter |
 Hans MarreroFlores | Flores |
| DDerrick WebsterKev | Kev |
| MManny AyalaWelterweight #1 | Welterweight #1 |
