Mark Hamill Praises br Joaquin Phoenix in 'Joker' The 'Star Wars' actor br began voicing the iconic villain in br 1992 for 'Batman: The Animated Series.' Hamill stated that br he thinks Joaquin Phoenix br is "awesome" in the film. He said that the 'Joker' br "brilliantly reimagine[s] the br character as never seen before." Hamill took to Twitter to br share his praise for the film. The new movie has br received mixed reviews br from both fans and critics. Director Todd Phillips br recently addressed criticism br of the film's violent scenes.