Kate Mara (born February 27, 1983) is an American television, stage and film actress. She moved from the stage to her first film, Random Hearts in 1999. Other roles include appearances in Brokeback Mountain (2005), and on the Fox television series 24, as computer analyst Shari Rothenberg. She appeared in such feature films as We Are Marshall (2006), Shooter (2007), Transsiberian (2008), Stone of Destiny (2008) and The Open Road (2009).
Mara was born and raised in Bedford, Westchester County, New York, to Timothy Christopher Mara, a scout and the vice president of player evaluation for the New York Giants and his wife, Kathleen McNulty (née Rooney). Her sister, Rooney Mara, is also an actress.
She is of Italian (from her maternal grandmother) and Irish descent. Her paternal grandfather, Wellington Mara, was the long-time co-owner of the Giants, succeeded by her uncle, John Mara. Her maternal grandfather, Timothy James "Tim" Rooney, has run Yonkers Raceway in Yonkers, New York since 1972. She is a great-granddaughter of both New York Giants founder Tim Mara and Pittsburgh Steelers founder Art Rooney, Sr. Her great-uncle, Dan Rooney, is chairman of the Steelers, the United States