Katherine Victoria Litwack (born June 13, 1986), known professionally as Kat Dennings, is an American actress. After making her acting debut in an episode of the HBO dramedy series Sex and the City, Dennings has since appeared in films including The 40-Year-Old Virgin (2005), Big Momma\'s House 2 (2006), Charlie Bartlett (2007), The House Bunny (2008), Nick and Norah\'s Infinite Playlist (2008), Defendor (2009), Thor (2011) and Thor: The Dark World (2013). From 2011 to 2017, she starred alongside Beth Behrs in the CBS sitcom 2 Broke Girls.\n', '

Katherine Victoria Litwack was born on June 13, 1986 in Bryn Mawr, Pennsylvania. Her mother, Ellen Judith Litwack, is a poet and speech therapist, and her father, Gerald J. Litwack, is a molecular pharmacologist, and college professor and chairman. Dennings is the youngest of five children, including an older brother, Geoffrey S. Litwack. Her family is Jewish.\n', '

Dennings was homeschooled; her only enrollment at a traditional school was for a half-day at Friends\' Central School. She graduated from high school early, at the age of 14. She moved with her family to Los Angeles, so that she could pursue acting full time. She adopted the surname "Dennings" as her professional name when she was younger.\n', '

Return to Kat Dennings Autograph Profile