Discover
George Chuvalo
Self
Henry Cooper
Self
George Foreman
Self
Larry Holmes
Self
Ron Lyle
Self
Ken Norton
Self
Leon Spinks
Self
Earnie Shavers
Self
Ernie Terrell
Self
Muhammad Ali
Self
Rahman Ali
Self (archive footage) (uncredited)
Joe Frazier
Self
Camera
Ian Kerr
Director of Photography
Directing
Pete McCormack
Director