Roberto Duran

Edgar Ramírez

Ray Arcel

Robert De Niro

Sugar Ray Leonard(as Usher Raymond IV)

Usher

Felicidad Iglesias

Ana de Armas

Carlos Eleta

Rubén Blades

Stephanie Arcel

Ellen Barkin

Chaflan

Óscar Jaenada

Plomo

Pedro Perez

Frankie Carbo

John Turturro

Juanita Leonard

Jurnee Smollett-Bell

Benny Huertas

Yancey Arias

Don King

Reg E. Cathey

Adele

Drena De Niro

Clara Samaniego

Ilza Rosario

Marine Molinari

Anthony Molinari

Kid Duran

David Arosemena

Howard Cosell

Robb Skyler

Gil Clancey

Rick Avery

Head Commisioner

Leo Wiznitzer

Angelo Dundee

Joe Urla

Margarito Duran

Eliud Kauffman

Pototo Duran

Robin Durán

Ken Buchanan

John Duddy

Roger Leonard

Khalid Ghajji

Davey Moore

Israel Isaac Duffus

Maid

Rosa Isabel Lorenzo

Eugenio Iglesias

Aaron Zebede

Sharon Leonard

Janelle Davidson

Toti(as Roberto 'Chavo' Durán)

Roberto Chavo Duran