On the Basis of Sex is a 2018 American biographical legal drama film based on the life and early cases of Supreme Court Justice Ruth Bader Ginsburg, who served as an Associate Justice of the United States Supreme Court from 1993 to her death in 2020.
Directed by Mimi Leder and written by Daniel Stiepleman, it stars Felicity Jones as Ginsburg, with Armie Hammer, Justin Theroux, Jack Reynor, Cailee Spaeny, Sam Waterston, and Kathy Bates in supporting roles.
Despite the historical nature of the story, this plays out as an old fashioned legal drama. You know the outcome, getting there is the intriguing part. And you get a cameo from the lady herself.