Edgar Ramírez as Roberto Duran

Robert De Niro as Ray Arcel

Usher as Sugar Ray Leonard

Rubén Blades as Carlos Eleta

Ana de Armas as Felicidad Iglesias

Óscar Jaenada as Chaflan

John Turturro as Frankie Carbo

Ellen Barkin as Stephanie Arcel

Jurnee Smollett as Juanita Leonard

Yancey Arias as Benny Huertas

Drena De Niro as Adele

Ilza Rosario as Clara Samaniego

Anthony Molinari as Marine Molinari

Reg E. Cathey as Don King

Robb Skyler as Howard Cosell

Rick Avery as Gil Clansey

Leo Wiznitzer as Head Commisioner

Robin Durán as Pototo Duran

John Duddy as Ken Buchanan

Eliud Kauffman as Margarito Duran

Joe Urla as Angelo Dundee

Rosa Isabel Lorenzo as Maid

Israel Isaac Duffus as Davey Moore