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