Prime Video has unveiled the official trailer for The Greatest, its upcoming series biopic of the legendary Muhammad Ali, which traces his life from his Louisville upbringing as Cassius Clay through his rise to heavyweight boxing crown and subsequent battles both inside and outside of the ring that turned him into one of the biggest icons of the 20th century.
Featuring newcomer Jaalen Best as Cassius Clay/Muhammad Ali alongside Omari Hardwick as Cassius Clay Sr., Dana Gourrier as Odessa ‘Bird’ Clay, Kai Parham as Rudy Clay, Amin Joseph as Sonny Liston, Giovanni Ribisi as Angelo Dundee, and Michael Ealy as Malcolm X, you can check out the official key art and trailer below…
The Greatest traces Muhammad Ali’s coming of age story, following a young Cassius Clay through the personal, professional and political battles he fought inside and outside the ring. Set against a changing America, The Greatest follows a once-in-a-generation talent fighting for the right to become his own man. Through the fights that made him a champion and the convictions that made him an icon, a young man from Louisville transforms himself into Muhammad Ali, the greatest of all time.
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The Greatest will premiere on Prime Video on November 4th 2026.
