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Sarah Carter
Sarah Sanguin Carter (born October 30, 1980) is a Canadian-American actress. She is known for her recurring role as Alicia Baker in the superhero series Smallville (2004–2005), Madeleine Poe in Shark (2006–2008), and main role as Maggie in the TNT science fiction series Falling Skies (2011–2015).
Source: Wikipedia