Générique complet
Heart of a Champion: The Ray Mancini Story
Robert Blake
Lenny Mancini
Doug McKeon
Ray 'Boom Boom' Mancini
Mariclare Costello
Ellen Mancini
Tony Burton
Grif
James T. Callahan
Father O'Neill
Norman Alden
Ray Arcel
Ray Buktenica
Dave Wolf
Richard Bakalyan
Frank Jacobs
CC
Curtis Conaway
Lenny Jr.
Luisa Leschin
Ellen Jr.
Ben Frank
Eddie Sullivan
Carl Steven
Ray - age 10
JP
Judith Penrod
JA
James Arone
Freddy
MD
Marty Denkin
Referee
Marta Kober
Sandy
