who plays harley quinn in the movie suicide squad
View. comments. Margot Robbie will play Harley Quinn in new movie Suicide Squad. The 24-year-old actress will play the role of The Joker's accomplice in the much-anticipated new film, which is set to open in 2016, Collider reports. But her character is not just a henchwoman, but the evil villain's girlfriend who is reportedly going to be portrayed by Jared Leto. New role: Margot Robbie will play Harley Quinn in new movie Suicide Squad, pictured on Saturday in Melbourne, Australia.