Elizabeth Olsen is a person.
Elizabeth Chase `` Lizzie '' Olsen ( born February 16 , 1989 ) is an American actress . She is known for her roles in the films Silent House ( 2011 ) , Liberal Arts ( 2012 ) , Godzilla ( 2014 ) , Avengers : Age of Ultron ( 2015 ) and Captain America : Civil War ( 2016 ) . For her role in the critically acclaimed Martha Marcy May Marlene ( 2011 ) , she was nominated for numerous awards including the Independent Spirit Award for Best Female Lead . She is the younger sister of actresses and fashion designers Mary-Kate Olsen and Ashley Olsen .