Zach McGowan as Chuck Wepner

Amy Smart as Linda Wepner

Taryn Manning as Phyllis Wepner

Burt Young as Salvatore

Jerrod Paige as Muhammad Ali

Jason James Richter as John

Tony Darrow as Tommy, head of the family

Nick Loeb as Donnie Wepner

William Lee Scott as Artie Stock

Robert Clohessy as Anthony Mango

Joseph D'Onofrio as Joey G

Betsy Beutler as Donna

Jerrod Paige as Muhammed ali

Joseph R. Gannascoli as John

Anthony Mangano as Sly Stallone

Arthur L. Bernstein as FBI Special Agent Warfield

Joe Pantoliano as Al Braverman

Adam Falkoff as FBI Special Agent Matheson

Jay Willick as Howard Cossell

Suzy Kaye as Lora

Cree Kelly as Flo