Chuck Wepner
Self
Acting
Sylvester Stallone
Self
Acting
Muhammad Ali
Self (archive footage)
Acting
George Foreman
Self
Acting
Don King
Self
Acting
Vince McMahon
Self
Production
Sonny Liston
Self (archive footage)
Acting
Mike Douglas
Self (archive footage)
Acting
James Brown
Self (archive footage)
Acting
Hulk Hogan
Self (archive footage)
Acting
André Roussimoff
Self (archive footage)
Acting
Howard Cosell
Self (archive footage)
Acting
Irwin Winkler
Self
Production
Jake LaMotta
Self (archive footage)
Acting
Jerry Izenberg
Self
Acting
Floyd Patterson
Self
Acting