Joker: Folie à Deux is a psychological thriller film that serves as a sequel to the 2019 critically acclaimed film, Joker. The film delves deeper into the life of Arthur Fleck, a mentally unstable comedian who, after experiencing a series of tragic events, adopts the persona of the iconic DC Comics villain, the Joker. Joker 2: Folie à Deux: Movie Overview including cast, run time and Release date Cast: Joaquin Phoenix as Arthur Fleck / Joker Lady Gaga as Harley Quinn Zazie Beetz as Sophie Dumond Brendan Gleeson as Thomas Wayne Catherine Keener as Janice Wayne Jacob Lofland as Gary Run Time: Approximately 152 minutes Release date: 4 October 2024 (India)