Director/a
Jim Jacobs
DIRECTOR/A
Reparto (por orden de créditos)
Richard Kiley
Host
Muhammad Ali
Self - Cassius Clay
Cus D'Amato
Self
Floyd Patterson
Self (archiveFootage)
Buster Mathis
José Torres
Joe Louis
Max Schmeling
Angelo Dundee
Tunney Hunsaker
Archie Moore
Sonny Liston
Henry Cooper
Sugar Ray Robinson
Jake LaMotta
Elijah Muhammad
Malcolm x
Stepin Fetchit
Cleveland Williams
George Chuvalo
Max Baer
Drew Bundini Brown
Howard Cosell
George Harrison
John Lennon
Paul McCartney
Ringo Starr
Jersey Joe Walcott