Kate Mara (born February 27, 1983) is an American actress. She played Alma Del Mar Jr. in the movie Brokeback Mountain. She also played Jessica Chandler for Random Hearts in 1999. She has also performed on stage. In 2017, she starred as Mary Jo Kopechne in Chappaquiddick. She played Zoe Barnes on House of Cards.
Mara was born in Bedford, New York.