James Madio

as Guglielmo Papaleo (Willie Pep)

Ruby Wolf

as Linda Papaleo

Keir Gilchrist

as Billy Papaleo Jr.

Stephen Lang

as Bill Gore

Ron Livingston

as Bob Kaplan

Lawrence Gilliard Jr.

as Sandy Saddler

Shari Albert

as Fran Papaleo

Imma Aiello

as Mama Papaleo

Frank John Hughes

as Mike Marino

Michael Siberry

as Bill Lee

Jeremy Luke

as Rocky Marciano

Bruce Carrington

as Goose

David Lavine

as Karl Rierson

Louis Vanaria

as Event Organizer

Patrick Murney

as Don Dunphy

Gino Cafarelli

as Harry Balogh

Delano Montgomery

as Sam Hornsby

Jay Giannone

as Gerard

Tony Bonsignore

as Tony

David Gere

as Television Director

Gordon Silva

as Salvatore Papaleo

Kevin Daigneault

as Doctor

Kent R. Williams

as Curly