Popsugar Entertainment Suicide Squad The Suicide Squad 2 Cast Check Out the New and Returning Stars Gearing Up For James Gunn's Suicide Squad Sequel 17 September 2019 by Mekishana Pierre First Published: 6 August 2019 View On One Page Photo 2 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Margot Robbie as Harley Quinn The Suicide Squad will be Robbie's third time playing Harley Quinn, following her standalone film, Birds of Prey. Previous Next Start Slideshow Suicide SquadMovie CastingMoviesMargot RobbieIdris Elba