Joaquin Phoenixbr Hints at 'Joker' Sequel Joaquin Phoenix, who playedbr the iconic role of Arthur Fleckbr in the newly released 'Joker' film,br recently hinted at a possible sequel. According to Phoenix, he and directorbr Todd Phillips discussed potential sequelsbr before 'Joker' had even been released. Joaquin Phoenix, viabr 'Los Angeles Times' The comments were initially madebr "in jest," but became more serious as theybr both realized there was more to explore. Joaquin Phoenix, viabr 'Los Angeles Times' Phillips also spoke to the 'Los Angeles Times' about a potential sequel, saying that it would have to have "thematic resonance" like 'Joker.