Cast (in credits order)
| Muhammad Ali | ... | Self - Challenger (archive footage) | |
| George Foreman | ... | Self - Champion (archive footage) | |
| Marv Albert | ... | Self - Host | |
 |
Ferdie Pacheco | ... | Self - Host |
| Rest of cast listed alphabetically: | |||
| Rahman Ali | ... | Self | |
| Drew Bundini Brown | ... | Self | |
| Angelo Dundee | ... | Self | |
| Archie Moore | ... | Self (1966) | |
