Prime Video releases trailer for Muhammad Ali biopic ‘The Greatest’

Prime Video has released the official trailer for ‘The Greatest’, the first authorized scripted series chronicling the life of legendary heavyweight boxer Muhammad Ali. The eight-episode series is scheduled to premiere on November 4, 2026, in more than 240 countries and territories.

Starring newcomer Jaalen Best as Cassius Clay, the series follows Ali’s journey from his youth in Louisville, Kentucky, through his transformation into a global sporting and cultural icon. The narrative explores his professional boxing career, including his rise to the heavyweight championship, alongside his personal, political, and religious struggles during a period of significant social change in the United States.

The production features an ensemble cast including Omari Hardwick as Cassius Clay Sr., Dana Gourrier as Odessa ‘Bird’ Clay, Amin Joseph as Sonny Liston, Giovanni Ribisi as trainer Angelo Dundee, and Michael Ealy as Malcolm X. The series is created and executive produced by Ben Watkins, with executive production from Michael B. Jordan’s Outlier Society, Roc Nation (associated with Shawn Carter), and Lonnie Ali, the late boxer’s widow.