Margaret 'Maggie' Grace Denig (born September 21, 1983) is an American actress and model. She is known for her roles as Shannon Rutherford on the ABC television series Lost (2004–2006; 2010), Kim Mills in the Taken trilogy (2008–2014), Irina in The Twilight Saga (2011–2012), and Althea Szewczyk-Przygocki on Fear the Walking Dead (2018–2021). Originally from Worthington, Ohio, she dropped out of high school to move to Los Angeles with her mother after her parents' divorce. While struggling financially, she landed her first role as the title ch…