Joker is a 2019 American psychological thriller film directed by Todd Phillips, who co-wrote the screenplay with Scott Silver. The film, based on DC Comics characters, stars Joaquin Phoenix as the Joker. An origin story set in 1981, the film follows Arthur Fleck, a failed stand-up comedian who turns to a life of crime and chaos in Gotham City. Robert De Niro, Zazie Beetz, Frances Conroy, Brett Cullen, Glenn Fleshler, Bill Camp, Shea Whigham, and Marc Maron appear in supporting roles. Joker was produced by Warner Bros. Pictures, DC Films, and Joint Effort in association with Bron Creative and Village Roadshow Pictures, and distributed by Warner Bros.