• 
  Kevin Costner

  Narrator (voice)
• 
  Bruce Buffer

  Himself
• 
  Scott Coker

  Himself
• 
  Randy Couture

  Himself
• 
  Josh Barnett

  Himself
• 
  Robert Emerson

  Himself
• 
  Donald Cerrone

  Himself
• 
  Michael Chandler

  Himself

• 
  Ben Askren

  Himself
• 
  Charles Bernick

  Himself
• 
  Rachael Cummins

  Herself
• 
  Daniel Cormier

  Himself
• 
  Clint Santiago Dahl

  Himself
• 
  Bill Cole

  Himself
• 
  Luke Adams

  Himself