TV's hottest clone war doesn't involve outer space at all. Clone sisters Sarah, Alison and Cosima will battle for answers about their origins when "Orphan Black" returns for Season 2 at 8 p.m. April 19 on BBC America. They're also hoping to save Sarah's daughter, Kira, and her foster mother, Mrs. S. Tatiana Maslany once again plays all the clones, including a new one named Jennifer. Meet the Season 2 cast members in this gallery. Curt Wagner, RedEye's Show Patrol
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