Check out trailer for Muhammad Ali series 'The Greatest'

Oct 15, 2026

Los Angeles [US], October 15 : Amazon MGM Studios and Prime Video have unveiled the official trailer for The Greatest, the first authorised scripted series chronicling the life of legendary boxer Muhammad Ali.
The official trailer 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, a press note said.
https://www.youtube.com/watch?v=RnRf-r-RdA4
Newcomer Jaalen Best leads the cast as Cassius Clay, later known as Muhammad Ali, in The Greatest. The series also features 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.
With Lonnie Ali, wife of the late legend, as executive producer, The Greatest is the first authorised scripted series about the life of Ali created and executive produced by Ben Watkins, who also serves as showrunner.
Alongside Ben Watkins’ Blue Monday Productions (Cross) and Michael B. Jordan’s Outlier Society are Authentic Studios (a division of Authentic Brands Group), Roc Nation, Shawn Carter, Polygram Entertainment (a Universal Music Group partner) and Grace: A Storytelling Company, with Watkins as showrunner and executive producer.
Outlier Society president Elizabeth Raposo executive produces, along with Authentic Brands Group’s Corey Salter, Matthew Gross, and Marc Rosen, also serving as executive producers. Additional executive producers include Craig Siebels, Aiyana White, Jeff Augustin, Katie Wech, Owen Shiflett; Boyd Muir, Michele Anthony, and Josh Wakely via his Grace: A Storytelling Company and Co-EPs David Blackman for Polygram and Stefano Agosto, Executive Vice President of Television at Outlier Society, as well as Desiree Perez of Roc Nation.