Katherine Litwack (born June 13, 1986), better known by the stage name Kat Dennings, is an American actress. Emerging with a role in an episode of the HBO dramedy series Sex and the City, Dennings has appeared in the films The 40-Year-Old Virgin (2005), Big Momma's House 2, Charlie Bartlett, Raise Your Voice, The House Bunny, Defendor and Nick...more

Katherine Litwack (born June 13, 1986), better known by the stage name Kat Dennings, is an American actress. Emerging with a role in an episode of the HBO dramedy series Sex and the City, Dennings has appeared in the films The 40-Year-Old Virgin (2005), Big Momma's House 2, Charlie Bartlett, Raise Your Voice, The House Bunny, Defendor and Nick and Norah's Infinite Playlist. In 2011 she starred in the television series Red, Green, and Blue while appearing in a movie called "The World Needs Your Love." Dennings has appeared in several movies including the television series The Amazing Spider-Man movie, The Last One...