Katherine Victoria Litwack, known professionally as Kat Dennings, launched her professional acting career in 2000 with an appearance on the HBO series Sex and the City. Since that debut, the American actor has built an extensive filmography, moving from guest television roles to prominent positions in major network sitcoms and global cinematic franchises.
Early Development and Transition to Acting
Born in 1986 in Bryn Mawr, Pennsylvania, Dennings was the youngest of five children in a Jewish family. She began working in commercials at age nine, eventually earning her SAG card as an extra. Following a limited period of formal education at Friends' Central School, she graduated from high school early at age 14. She subsequently relocated to Los Angeles with her family to pursue a career in acting full-time. She adopted the professional surname Dennings after deciding her birth name was unsuitable for her career path.
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Following her 2000 television debut, Dennings secured a role as Sarah on the short-lived sitcom Raising Dad from 2001 to 2002. Her film career gained momentum throughout the 2000s with supporting roles in The 40-Year-Old Virgin, Big Momma's House 2, and The House Bunny. In 2008, she starred as Norah Silverberg in Nick and Norah's Infinite Playlist, earning a Satellite Award nomination for Best Actress. Her versatility was further demonstrated through varied projects including the independent film Daydream Nation and the dark comedy Defendor.
Major Franchise and Network Success
Dennings gained widespread recognition for her role as Darcy Lewis in the Marvel Cinematic Universe, appearing in the film Thor, which began production in 2010 and was released in 2011. In the same year, she began her portrayal of Max Black in the CBS sitcom 2 Broke Girls. The series, created by Michael Patrick King and Whitney Cummings, ran from 2011 until its cancellation in 2017. Her participation in these projects solidified her presence in both network television and high-profile film franchises.
Fast facts
- Born: 1986, Bryn Mawr, Pennsylvania
- Citizenship: United States
- First professional appearance: Sex and the City, 2000
- High school graduation age: 14
- Notable role: Max Black in 2 Broke Girls
- Notable role: Darcy Lewis in Thor
- Occupations: Actor, voice actor, television actor, film actor
- Religion: Judaism
Questions readers ask
What was Kat Dennings' first professional acting job?
Her first job was an appearance on the HBO series Sex and the City in 2000.
Why did she change her professional name?
She chose the name Dennings because she felt her birth surname was unappealing and wanted a clear distinction between her personal and professional life.
What is her primary field of work?
She is a professional actor working in both film and television.
Achievements
- Worked as actor, television actor and film actor


