<Dl> <Dd> A psychopathic supervillain and the archnemesis of Batman . Leto described his role as "nearly Shakespearean" and a "beautiful disaster of a character"; about portraying the villain, he stated, "I took a pretty deep dive . But this was a unique opportunity and I couldn't imagine doing it another way . It was fun, playing these psychological games . But at the same time it was very painful ." Leto never broke character throughout filming, with Smith going as far as stating he never met him . In preparation for the role, Leto spent his time alone, listened to gospel music from the 1920s--commenting he senses "Joker may be much older than people think"--and read literature on shamanism . Influences for the character's appearance include Mexican cartel bosses and the work of Alejandro Jodorowsky . Leto stated that he spoke with doctors and spent time with psychopaths in preparation for his role . The Joker's tattoos were added by Ayer, who believed it gave the character a modernized gangster look . </Dd> </Dl> <Dd> A psychopathic supervillain and the archnemesis of Batman . Leto described his role as "nearly Shakespearean" and a "beautiful disaster of a character"; about portraying the villain, he stated, "I took a pretty deep dive . But this was a unique opportunity and I couldn't imagine doing it another way . It was fun, playing these psychological games . But at the same time it was very painful ." Leto never broke character throughout filming, with Smith going as far as stating he never met him . In preparation for the role, Leto spent his time alone, listened to gospel music from the 1920s--commenting he senses "Joker may be much older than people think"--and read literature on shamanism . Influences for the character's appearance include Mexican cartel bosses and the work of Alejandro Jodorowsky . Leto stated that he spoke with doctors and spent time with psychopaths in preparation for his role . The Joker's tattoos were added by Ayer, who believed it gave the character a modernized gangster look . </Dd> <Ul> <Li> Margot Robbie as Harleen Quinzel / Harley Quinn: </Li> </Ul> <Li> Margot Robbie as Harleen Quinzel / Harley Quinn: </Li>

Who played harley quinn in suicide squad 2016