- 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 — S1E4
Episode: Artist at Work
Air Date: 2026-11-04
Runtime: 52 min
Overview
Cassius climbs the ranks for a chance at the heavyweight title. Meanwhile, Sonny has bulldozed all competition and is closing in on Floyd Patterson fast. Inspired by an ostentatious wrestler, Cassius crafts a controversial new public persona. With it brings media attention and scrutiny into his private life that threatens to expose his growing ties to the Nation of Islam.