Leto debuted his performance as the Joker in 2016's "Suicide Squad," directed by David Ayer. The film's ensemble cast includes Will Smith as Deadshot, Margot Robbie as Harley Quinn, Viola Davis as Amanda Waller, Cara Delevingne as Enchantress, and Jai Courtney as Captain Boomerang. Though much of the cast returned for 2021's "The Suicide Squad," directed by James Gunn, Leto did not.