David Dastmalchian, who plays scene-stealer Polka-Dot Man/Abner Krill in “The Suicide Squad,” tells Insider’s Kirsten Acuna when he first received a message from his friend and director James Gunn about playing a role in “The Suicide Squad.” A life-long comic fan, Dastmalchian was ready for any character Gunn was going to approach him with except the obscure Batman villain he wound up playing.