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Muhammad Ali as Self |
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George Foreman as Self |
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Joe Frazier as Self |
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Burt Lancaster as Narrator |
| Crew | James Mannas | Cinematography |
| Editing | William Greaves | Editor |
| Editing | Peggy Stulberg | Assistant Editor |
| Crew | Terence Macartney-Filgate | Cinematography |
| Production | Ralph J. Tangney | Producer |
| Crew | Stevan Larner | Cinematography |
| Production | 勝新太郎 | Producer |
| Sound | Richie Havens | Music |
| Crew | Joseph Consentino | Cinematography |
| Production | William Greaves | Producer |
| Directing | Rick Baxter | Director |
| Directing | William Greaves | Director |
