Molly's Game is a 2017 American biographical film written and directed by Aaron Sorkin, based on the 2014 memoir by Molly Bloom. The film follows Molly, a former Olympic-class skier, as she runs the world's most exclusive underground poker empire and becomes the target of an FBI investigation. It stars Jessica Chastain as Molly, with Idris Elba as her lawyer and Kevin Costner as her father, alongside Michael Cera, Jeremy Strong, Chris O'Dowd, Joe Keery, Brian D'Arcy James, and Bill Camp.