Roberto Durán
Ray Arcel
Sugar Ray Leonard (as Usher Raymond IV)
Carlos Eleta
Felicidad Iglesias
Plomo (as Pedro 'Budú' Pérez)
Chaflan
Frankie Carbo
Stephanie Arcel
Juanita Leonard (as Jurnee Smollett-Bell)
Benny Huertas
Adele
Clara Samaniego (as Ilza Rosario)
Marine Molinari
Gil Clancey
Howard Cosell
Angelo Dundee
Margarito Duran (as Eliud Kauffman)
Roger Leonard
Ken Buchanan
Davey Moore
Eugenio Iglesias
Sharon Leonard
Head Commisioner
Toti (as Roberto 'Chavo' Durán)
Pototo Duran (as Roberto 'Robín' Durán)
Latin Marine
Judge
Robin Duran (as Kevin Foster)
US Marine
Young Girl
Waiter
Rufirio (as Alfredo Arias)
Chivo Sanjur
Restaurant Patron
Panamanian Journalist (as Carlos López)
Kid Toti
Cop at Fish Stand
Don Dunphy
John Condon
Amateur Referee (as Hecto Affu)
Johnny Lobianco
Octavio Meyran
Waitress
Irichelle Duran
Benito
Carlos Padilla
Maid (as Rosa Lorenzo)
Brambri Duran
Chaparro
Roberto Jr.
Montreal Announcer (as Phillip Dankiw)
Plomo's Wife
Claudine
Ricky
Patrol Marine
Jovanna Duran
Lorenza Iglesias
Doctor
Kid Pototo (as Alexander Burgos)
Chucky
Narrator
Journalist
Blonde US Marine
2nd Marine
Freddie Brown
Radio Announcer (as Carl Legor)
Kid From Chorrillo
Security Guard
Prison Guard
Luis Spade
Bob Arum
Amateur Referee (as Jorge Arce)
Kid Fede
Manco
Parkout #1 & Flag Boy
Parkout #2
Parkout #3
Parkout #4
Parkout #5
Parkout #6
Parkout #7
Parkout #8
Parkout #9
Parkout #10
New Paper Employee
SRL Trainer
Wilfrido Benitez (as Roberto de los Rios 'Latin Fresh')
Ernesto Magana
Midwife Fula (as Felicidad Iglesias de Durán)
Claudine's Friend
Fighter Final Amateur Kid
Kid that Duran Defeats
Duran's Sister 1
Duran's Sister 2
Oldest Duran's Sister
Fighter Final Amateur
Huertas Referee
Final Amateur Champ
Final Amateur Kid #1
Cop #2 at Fish Stand
American Family Children Girl
American Family Children Boy
Bus Driver Chaflan
Newborn Baby
Iglesias Family Friend
Moore's Trainer
Christina Brinkle
Duran's Trainer
Mariatoto
Red Hair Marine
Toti's Opponent
Fish Stand Owner
Partuition Nurse
Commissioner Prefight Meal 1
Commissioner Prefight Meal 2
Woman Tearing Apart the Flag
American Mother
Lieutenant Marine
White Dirty Fighter
Kid Duran (uncredited)
Don King (uncredited)
Ring side reporter
Extra
Scotland Guy
Ray Charles
Ringside Partygoer
Ring Side Photographer
Self (archive footage) (uncredited)
Announcer (uncredited)
Misty, Pachanga Lopez's Girlfriend (uncredited)
Dinner Patron (uncredited)
Referee Huertas (uncredited)
Black Man (uncredited)
Man on Street (uncredited)
American Teacher in Balboa High School 1964 (uncredited)