Director/a
Lou Volpicelli
DIRECTOR/A
Reparto (por orden de créditos)
Muhammad Ali
Self
Drew Bundini Brown
Self - Second, Muhammad Ali
Angelo Dundee
Self - Chief Second, Muhammad Ali
Don Dunphy
Self - Commentator
George Foreman
Joe Frazier
Eddie Futch
Self - Chief Second, Joe Frazier
Joey Giardello
Rocky Graziano
Emile Griffith
Ken Norton
Ferdie Pacheco
Willie Pastrano
Van Patrick
Floyd Patterson
Willie Pep
Tony Perez
Self - Referee
José Torres
Rahman Ali
Self(uncredited)
Sandy Saddler