James Madio
— Guglielmo Papaleo (Willie Pep)
Ruby Wolf
— Linda Papaleo
Keir Gilchrist
— Billy Papaleo Jr.
Stephen Lang
— Bill Gore
Ron Livingston
— Bob Kaplan
Lawrence Gilliard Jr.
— Sandy Saddler
Shari Albert
— Fran Papaleo
Imma Aiello
— Mama Papaleo
Frank John Hughes
— Mike Marino
Michael Siberry
— Bill Lee
Jeremy Luke
— Rocky Marciano
Bruce Carrington
— Goose
David Lavine
— Karl Rierson
Louis Vanaria
— Event Organizer
Patrick Murney
— Don Dunphy
Gino Cafarelli
— Harry Balogh
Delano Montgomery
— Sam Hornsby
Jay Giannone
— Gerard
Tony Bonsignore
— Tony
David Gere
— Television Director
Gordon Silva
— Salvatore Papaleo
Kevin Daigneault
— Doctor
Kent R. Williams
— Curly