Ron Silver - who plays Robert Shapiro in this project - previously played another member of O.J.'s defense team. Silver played Alan Dershowitz in Reversal of Fortune (1990), a movie that doesn't involve O.J.
Since Christopher Plummer plays F. Lee Bailey, by coincidence, Plummer and Bailey died the same year in 2021; Plummer on February 5, 2021 Bailey on June 3, 2021
Despite not being Jewish, Richard Cox plays Alan Dershowitz. Bruno Kirby, who was of Italian descent, played Barry Scheck, who is Jewish. Robert LuPone, also of Italian descent, portrays the Armenian-American Robert Kardashian.
Christopher Plummer is 3 years older than F. Lee Bailey.