About Kat Dennings
Born 1986. Kat Dennings is an American actor, television actor, film actor and voice actor.
Katherine Victoria Litwack (born June 13, 1986), known professionally as Kat Dennings, is an American actress. She is known for her starring roles as Max Black in the CBS sitcom 2 Broke Girls (2011–2017) and as Darcy Lewis in the Marvel Cinematic Universe (MCU) superhero films and television franchise beginning with Thor.
Since making her acting debut in 2000, Dennings has 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), Shorts (2009), Defendor (2009), and Suburban Gothic (2014).
Early life 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, was a molecular pharmacologist, and college professor and chairman. Dennings is the youngest of five children. Dennings grew up in Penn Cottage, a historic house built in 1694 in Wynnewood, Pennsylvania, which she claims was haunted.
Beginning her career at age 9 by acting in commercials, Dennings said her family never had much money for formal acting training. Her first acting job was an advertisement for potato chips that included a poisonous ingredient and never made it to market. In her early years, she worked as an extra to earn her SAG card. and moved with her family to Los Angeles to pursue acting full time.
Career 2000–2003: Early career Dennings made her professional debut with an appearance on HBO's Sex and the City in 2000, in the episode "Hot Child in the City", playing an obnoxious 13-year-old who hires Samantha to handle publicity for her bat mitzvah. She then starred on the short-lived WB sitcom Raising Dad from 2001 to 2002 as Sarah, a 15-year-old raised by her widowed father (Bob Saget), with a pre-teen sister (Brie Larson). In 2002, Dennings appeared in the Disney Channel film The Scream Team as a teenager who stumbles into a group of ghosts. She was cast for a five-episode run on The WB's Everwood, but the role was recast with Nora Zehetner.
2004–2011: Feature film debut and further roles
Dennings continued working on television, guest-starring on Without a Trace as a teen whose boyfriend goes missing, and on Less than Perfect in 2003. In February 2004, she was cast in a pilot for CBS titled Sudbury, about a family of modern-day witches, based on the 1998 film Practical Magic, but the series was not picked up. Dennings had a recurring role on ER from 2005 to 2006 as Zoe Butler, and twice guest-starred in the CSI franchise: first on CSI, as Missy Wilson in the 2004 episode "Early Rollout". Secondly, she played Sarah Endecott on CSI: NY, in the 2005 episode "Manhattan Manhunt".
Dennings made her feature film debut in Hilary Duff's Raise Your Voice in 2004 as Sloane, a somber piano student. In 2005, she landed supporting roles as the daughter of Catherine Keener's character in The 40-Year-Old Virgin and as April in Down in the Valley.
Dennings starred in Charlie Bartlett in 2008, the story of a wealthy teenager (Anton Yelchin) who acts as a psychiatrist among students at his new public high school. She played Susan Gardner, Bartlett's love interest and the daughter of the school's Principal Gardner, played by Robert Downey Jr. Dennings appeared in The House Bunny that year, as Mona, a pierced feminist sorority girl.
She also starred that year in the teen comedy romance Nick and Norah's Infinite Playlist, with Michael Cera. Dennings played Norah Silverberg, the daughter of a famous record producer. She was nominated for the International Press Academy's Satellite Award for Best Actress for her performance.
In September 2008, Dennings was involved in a project to adapt Don DeLillo's novel End Zone as a film. Actors Sam Rockwell and Josh Hartnett were also involved, but the project was not greenlit because of its subject matter of nuclear war was considered too controversial.
In 2009, Dennings appeared in The Answer Man, a film about a celebrity author whose manifestos become a sort of new Bible. She also co-starred in the Robert Rodriguez-directed dark children's film Shorts that year. She played Stacey Thompson, the teenage older sister of the protagonist Toe (Jimmy Bennett).
Dennings and other rising stars were featured in the August 2009 issue of Vanity Fair, photographed re-enacting scenes from famous Depression-era films. She was shown in a setting from Sydney Pollack's They Shoot Horses, Don't They? (1969).
Dennings was cast in the romantic comedy film Liars (A to E), to be directed by Richard Linklater, but the project was cancelled due to cutbacks at Miramax Films by the studio's parent company, Disney. Dennings appeared in the superhero film Defendor in 2009, starring Woody Harrelson and Sandra Oh, playing a crack-addicted prostitute.
The following year, she starred in the independent feature Daydream Nation, as a girl who moves from the city to a strange rural town, and is caught in a love triangle with her high school teacher (Josh Lucas) and a teenage drug dealer (Reece Thompson). The film began shooting in Vancouver in early 2010, and was written and directed by Michael Golbach. In May 2010, Dennings appeared in a music video for "40 Dogs (Like Romeo and Juliet)", a single by Austin, Texas-based musician Bob Schneider. Robert Rodriguez directed the video, which was filmed in various locations around Austin.
Dennings was part of the cast of the Marvel Studios film Thor, released in May 2011, and directed by Kenneth Branagh. She played Darcy Lewis, a tech-savvy sidekick and assistant to Natalie Portman's character, Jane Foster. The film went into production in January 2010, and was shot in New Mexico for six weeks in early 2010. The series debuted on September 19, 2011, and follows the lives of two underemployed girls. Beth Behrs co-stars as a Manhattan heiress who lost her inheritance, while Dennings plays a tough outspoken girl from Brooklyn. Dennings liked the idea of reaching a wider audience with her work, so she accepted the role on the network sitcom. On May 12, 2017, CBS canceled the series after six seasons.
Dennings starred in the drama film To Write Love on Her Arms (originally titled Renee) in 2012, with Chad Michael Murray and Rupert Friend. She played Renee Yohe, a Florida teenager who struggled with substance abuse and self-injury, and who inspired the founding of the nonprofit organization To Write Love on Her Arms. The film began production in Orlando, Florida, in February 2011.
In mid-2012, Dennings filmed the independent feature Suburban Gothic, playing a small-town bartender. The film premiered in 2014.
Dennings introduced The Black Keys at the 55th Grammy Awards on February 10, 2013. She appeared in a music video for the Hanson single "Get the Girl Back", alongside Nikki Reed. The actresses are close friends and are both fans of the pop group.
The video premiered on April 4, 2013. In 2013, Dennings reprised her role as Darcy Lewis in Thor: The Dark World. She worked on the film and 2 Broke Girls at the same time, flying to London to film for six months between breaks on her CBS sitcom.
In 2018, it was announced that Dennings would star as Abby in the comedy film Friendsgiving.
Dennings starred in the Hulu comedy series Dollface, beginning in November 2019. She reprised her role as Darcy Lewis in the Disney+ miniseries WandaVision (2021), and in Thor: Love and Thunder (2022).
Personal life
In 2008, Dennings stated that Judaism "is an important part of my history, but, as a whole, religion is not a part of my life." She considers herself more ethnically and culturally affiliated than religiously so. She is an animal welfare supporter.
Dennings does not smoke and abstains from drinking alcohol.
Relationships From 2011 to 2014, Dennings dated her 2 Broke Girls co-star Nick Zano. From 2014 to 2016, Dennings dated singer Josh Groban.
On May 6, 2021, musician Andrew W.K. confirmed that Dennings was in a relationship with him, which started after they had met in Los Angeles earlier that year. A week later, on May 13, 2021, the couple announced their engagement on Instagram. They married on November 27, 2023, at their Los Angeles home.
Filmography Film Year Title Role Notes 2004 Raise Your Voice Sloane 2005 Down in the Valley April The 40-Year-Old Virgin Marla Piedmont London Lilly 2006 Big Momma's House 2 Molly Fuller 2007 Charlie Bartlett Susan Gardner 2008 The House Bunny Mona Nick & Norah's Infinite Playlist Norah Silverberg 2009 The Answer Man Dahlia Shorts Stacey Thompson Defendor Katerina "Kat" Debrofkowitz / Angel 2010 Daydream Nation Caroline Wexler 2011 Thor Darcy Lewis 2012 To Write Love on Her Arms Renee Yohe 2013 Thor: The Dark World Darcy Lewis 2014 Suburban Gothic Becca Thompson 2015 Hollywood Adventures Herself Cameo 2020 Friendsgiving Abby 2022 Thor: Love and Thunder Darcy Lewis Cameo
Television Year Title Role Notes 2000 Sex and the City Jenny Brier Episode: "Hot Child in the City" 2001–2002 Raising Dad Sarah Stewart Main role 2002 The Scream Team Claire Carlyle Television film 2003 Without a Trace Jennifer Norton Episode: "Sons and Daughters" Less than Perfect Kaitlin Episode: "The Girl Next Door" 2004 CSI: Crime Scene Investigation Missy Wilson Episode: "Early Rollout" 2005 Clubhouse Angela Episode: "Stealing Home" 2005–2006 ER Zoe Butler 5 episodes 2005 CSI: NY Sarah Endecott Episode: "Manhattan Manhunt" 2009 American Dad! Tanqueray (voice) Episode: "G-String Circus" 2010 Female juror (voice) Episode: "The People vs. Martin Sugar" 2011–2017 2 Broke Girls Max George Black Main role 2012 Robot Chicken Various voices Episode: "Executed by the State" 2014 40th People's Choice Awards Herself / Host Television special Sesame Street Herself Episode: "Bert's Training Wheels" The Newsroom Blair Lansing Episode: "Run" 2015 RuPaul's Drag Race Herself / Guest judge Episode: "ShakesQueer" 2015–2018 Drunk History Various 3 episodes 2017–2020 Big Mouth Leah Birch (voice) 13 episodes 2017 The Simpsons Valerie (voice) Episode: "Mr. Lisa's Opus" 2018 Dallas & Robo Dallas Moonshiner (voice) Main role; also producer 2019–2022 Dollface Jules Wiley Main role; also executive producer 2021 WandaVision Darcy Lewis Main role Marvel Studios: Assembled Herself Documentary; episode: "Assembled: The Making of WandaVision" 2021–2024 What If...? Darcy Lewis (voice) 4 episodes 2025–present Shifting Gears Riley Main role; also producer
Music video Year Song Artist Role 2010 "40 Dogs" Bob Schneider 2013 "Get the Girl Back" Hanson Love interest 2021 "Everybody Sins" Andrew WK Lover
Audiobooks Year Title Role Production company 2020 The Sandman Death Audible
Awards and nominations Anthology Series, or Television MovieWandaVision 2022Best Actress in a Streaming Series, ComedyDollface
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Important facts
Family & relationships
People in Kat Dennings's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Kat Dennings's
Frequently asked questions
Who is Kat Dennings?
American actress (born 1986)
When was Kat Dennings born?
Kat Dennings was born on 13 June 1986 in Bryn Mawr.
What is Kat Dennings's occupation?
Kat Dennings is an actor, television actor, film actor and voice actor.
What nationality is Kat Dennings?
Kat Dennings is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Kat Dennings. https://biography.guide/kat-dennings/
MLA: "Kat Dennings." Biography.guide, https://biography.guide/kat-dennings/.
Chicago: "Kat Dennings." Biography.guide. https://biography.guide/kat-dennings/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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