• 
  Amy Smart

  Linda Wepner
• 
  Joe Pantoliano

  Al Braverman
• 
  Nick Loeb

  Donnie Wepner
• 
  William Lee Scott

  Artie Stock
• 
  Robert Clohessy

  Anthony Mango
• 
  Anthony Mangano

  Sly Stallone
• 
  Taryn Manning

  Phyllis Wepner
• 
  Jason James Richter

  John

• 
  Jerrod Paige

  Muhammed ali
• 
  Zach McGowan

  Chuck Wepner
• 
  Anthony Aveni

  Bobby Vincent
• 
  Jay Willick

  Howard Cossell
• 
  Randy DeOrio

  Chuck's Trainer
• 
  Joe Ganiscoli

  John Olson
• 
  Anthony Asse

  Don King

• 
  Joseph R. Gannascoli

  John
• 
  Betsy Beutler

  Donna
• 
  Arthur L. Bernstein

  FBI Special Agent Warfield
• 
  Adam Falkoff

  FBI Special Agent
• 
  Joe D'Onofrio

  Joey G
• 
  Tony Darrow

  Tommy, head of the family
• 
  Burt Young

  Salvatore