Director/a
Pete McCormack
DIRECTOR/A
Reparto (por orden de créditos)
George Chuvalo
Self
Henry Cooper
George Foreman
Joe Frazier
Larry Holmes
Ron Lyle
Ken Norton
Earnie Shavers
Leon Spinks
Ernie Terrell
Muhammad Ali
Self(archiveFootage)
Ringo Bonavena
Mike DeJohn
Jimmy Ellis
Joe Louis
Self - World Heavyweight Champion, 1937-49(archiveFootage)
Malcolm x
Self - Nation of Islam(archiveFootage)
Elijah Muhammad
Self - Leader, Nation of Islam(archiveFootage)
Jerry Quarry
Johnny Addie
Self - Ring Announcer(uncredited)(archiveFootage)
Rahman Ali
Self(uncredited)(archiveFootage)
Woody Allen
Duane Bobick
Drew Bundini Brown
Howard Cosell
Angelo Dundee
Yank Durham
Eddie Futch
Diane Keaton
Don King
Martin Luther King
Sonny Liston
Richard Nixon
Ferdie Pacheco
Michael Parkinson
Dick Sadler
Frank Sinatra
Michael Spinks