Marc Anthony
— Hector Lavoe
Jennifer Lopez
— Puchi
John Ortiz
— Willie Colon
Manny Perez
— Eddie
Vincent Laresca
— Ralph
Federico Castelluccio
— Jerry Masucci
Nelson Vasquez
— Johnny Pacheco
Antone Pagán
— Papo
Romi Dias
— Priscilla
Jared Everleth
— Tito (4 yrs.)
Bernard Hernandez
— Tito (7 yrs.)
Christopher Becerra
— Tito (12-15 yrs.)
Andrea Navedo
— Zaida
Ismael Miranda
— Hector's Father
Tito Allen
— Singer
Víctor Manuelle
— Ruben Blades
Michael Wright
— Shooting Gallery Man
Cucu Diamantes
— Female Junkie
Marina Durell
— Madrina
Guillermo de Cun
— Priest
Jack Mulcahy
— Doctor
Israel Sanabria
— M.C.
Joe Lala
— Band Leader
Domingo Quiñones
— San Juan Promoter
Elliot Santiago
— Bouncer
Obie Bermúdez
— Taxi Driver
Glenda Dopazo
— Carmen
Hector A. Leguillow
— Pianist
Lou Torres
— Pianist 2/Pianist (After hrs.)
Victor Santos
— Pianist 3