Hayley Elizabeth Atwell (born April 5, 1982) is a British-American actress.
She is known for her work in stage productions such as A View from the Bridge, and in films such as Cassandra’s Dream (2007), The Duchess (2008), The Pillars of the Earth (2010), and for her portrayal of Peggy Carter in various films and television series set in the Marvel Cinematic Universe.