Kate Rooney Mara ( MAIR-ə; born February 27, 1983) is an American actress and fashion model. She is known for playing reporter Zoe Barnes in the Netflix political drama House of Cards (2013–2014; 2016), computer analyst Shari Rothenberg in the Fox thriller series 24 (2006), and Ben Harmon's vengeful mistress Hayden McClaine in the FX horror miniseries American Horror Story: Murder House (2011).