Tatiana Maslany
as Sarah / Cosima / Alison / Helena / Rachel (50 episodes)
Tatiana Maslany portrays multiple lead characters on Orphan Black, demonstrating her remarkable range and talent. She delivers captivating performances as Sarah, a streetwise con artist; Cosima, a brilliant scientist; Alison, a suburban housewife; Helena, a superhuman assassin; and Rachel, a powerful corporate leader.
#5
Most popular actor on Orphan Black
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