who voices harley quinn
Harley Quinn: 6 Things You Need To Know About The Suicide Squad Character. 1  Suicide Squad is a little over seven months away, but we already have a good sense of which characters will be a blast to watch. One of those is Harley Quinn, played by Margot Robbie. Other than The Joker and Batman, Harley is arguably the most recognizable DC character being featured in the movie.