Joker is a 2019 American psychological thriller film directed by Todd Phillips from a screenplay he co-wrote with Scott Silver. Based on DC Comics characters, it stars Joaquin Phoenix and provides an alternative origin story for the Joker. The film follows Arthur Fleck, a mentally ill party clown and aspiring stand-up comedian whose descent into moral nihilism inspires a violent countercultural revolution against the wealthy in a decaying Gotham City. Robert De Niro, Zazie Beetz, and Frances Conroy appear in supporting roles.
Read more on Wikipedia