Kate Rooney Mara (born February 27, 1983) is an American actress. She starred in House of Cards as Zoe Barnes and appeared in the TV series 24 as computer analyst Shari Rothenberg. She made her film debut in 1999 with Random Hearts. She appeared in Brokeback Mountain (2005), We Are Marshall (2006), Shooter (2007), Transsiberian (2008), Stone of Destiny (2008), The Open Road (2009) and Transcendence (2014). She also appeared in the horror mini-series American Horror Story: Murder House as Hayden McClaine.
She has been cast as Sue Storm / The Invisible Woman in the upcoming film The Fantastic Four (2015).