- Jaalen Best (Cassius Clay / Muhammad Ali)
- Omari Hardwick (Cassius 'Cash' Clay Sr.)
- Dana Gourrier (Odessa 'Bird' Clay)
- Amin Joseph (Sonny Liston)
- Kai Parham (Rudy Clay)
- Giovanni Ribisi ()
- Reno Wilson ()
- Erica Tazel ()
- Aleks Paunovic ()
The Greatest — S1E7
Episode: Louder than Words
Air Date: 2026-11-04
Runtime: 50 min
Overview
When word of Cassius joining the Nation of Islam hits the papers, public outcry puts the Heavyweight Title fight in jeopardy. His parents, trainers, cornermen, and even Malcolm X urge him to distance himself from the Nation of Islam so the fight can proceed. Cassius is forced to make an impossible decision that will define his career and his life.