New Delhi: Prime Video has unveiled the official trailer for The Greatest, an upcoming biographical series on boxing legend Muhammad Ali. Starring Jaalen Best as the legendary boxer, the eight-episode series will trace Ali’s journey from a young Cassius Clay in Louisville, Kentucky, to one of the most influential sporting figures in history.
The series will premiere on 4 November 2026, with all eight episodes releasing on the same day. It is the first authorised scripted series about Ali’s life, with his widow, Lonnie Ali, serving as an executive producer.
From Cassius Clay to Muhammad Ali
Created by Ben Watkins, The Greatest explores the personal, professional and political battles that shaped Ali’s life. Set against the backdrop of a changing America, the series traces his transformation from Cassius Clay into Muhammad Ali.
The narrative covers the defining early years of his career, from his gold medal victory at the 1960 Rome Olympics to his 1964 world heavyweight championship win against Sonny Liston. That same year, he announced his conversion to Islam and adopted the name Muhammad Ali.
The series looks beyond the boxing ring, exploring Ali’s relationships with his family and his experiences as a son, brother, husband, and father.
The trailer also points to the political forces that shaped Ali’s life, including his association with civil rights leader Malcolm X.
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The cast
The supporting cast includes Omari Hardwick as Ali’s father, Cassius Clay Sr., and Dana Gourrier as his mother, Odessa “Bird” Clay. Kai Parham plays his brother, Rudy Clay, who later became known as Rahaman Ali.
Amin Joseph portrays boxer Sonny Liston, while Giovanni Ribisi plays Angelo Dundee, the trainer who played an important role in Ali’s boxing career. Michael Ealy appears as civil rights leader Malcolm X.
The series is produced by Amazon MGM Studios in association with Michael B. Jordan’s Outlier Society, Watkins’ Blue Monday Productions, Authentic Studios, Roc Nation, Polygram Entertainment and Grace: A Storytelling Company.
Lonnie Ali, the late boxer’s widow, is also an executive producer. Her involvement reflects the participation of Ali’s estate in the project, which has been billed as the first authorised scripted series about his life.
(Edited by Maryam Hassan)