On screen
Cast
10 credited performers
Liev Schreiber
Narrator
Muhammad Ali
Self
Joe Frazier
Self
Angelo Dundee
Character not listed
George Foreman
Character not listed
Stanley Crouch
Character not listed
Jim Brown
Character not listed
David Brenner
Character not listed
Artwork unavailable
Jerry Izenberg
Character not listed
Artwork unavailable
Gene Kilroy
Character not listed