Rosemarie Braddock DeWitt (born October 26, 1971) is an American actress known for her naturalistic performances in film, television, and theater. Over the course of her career, she has built a reputation as a quietly powerful presence—often playing emotionally complex women whose inner lives are revealed through restraint rather than display.
She is best known for her acclaimed performance as the title character in Rachel Getting Married (2008), which earned her multiple critics’ awards and nominations for Best Supporting Actress. DeWitt has also appeared in notable films such as Your Sister’s Sister, Promised Land, Kill the Messenger, La La Land, and the 2015 remake of Poltergeist. On television, she is recognized for her roles on United States of Tara, Mad Men, Standoff, and Black Mirror.
Early Life
Rosemarie DeWitt was born in Flushing, Queens, New York, to Rosemarie Braddock and Kenny DeWitt. She is the granddaughter of legendary boxer James J. Braddock, the former World Heavyweight Champion whose life story was later dramatized in Cinderella Man. In a notable convergence of family history and performance, DeWitt appeared in that film as a neighbor of her grandfather’s character.
She grew up in Hanover Township, New Jersey, and attended Whippany Park High School, where she was active in school theater productions. From an early age, she gravitated toward acting, developing an interest in character-driven stories and stage work.
DeWitt went on to attend Hofstra University, earning a Bachelor of Arts degree in creative studies. During her time there, she further honed her craft and later continued her training at The Actors Center in New York, grounding herself in a performance style rooted in realism and emotional truth.
Career
DeWitt built much of her early career in theater, particularly in Off-Broadway productions. She appeared in works by playwrights such as John Patrick Shanley, George S. Kaufman, and Craig Lucas. Her performance in Small Tragedy was part of an ensemble that received an Obie Award, and her work in Family Week, directed by Jonathan Demme, drew praise for its emotional depth and vulnerability.
Her breakthrough film role came in 2008 when she starred opposite Anne Hathaway in Jonathan Demme’s Rachel Getting Married. Playing Rachel, the bride whose wedding becomes the emotional center of a fractured family, DeWitt delivered a performance marked by warmth, suppressed tension, and authenticity. Critics widely praised her work, and the role brought her significant industry recognition.
Following this success, DeWitt appeared in a series of independent and studio films, often collaborating with directors known for character-focused storytelling. She starred in Lynn Shelton’s Your Sister’s Sister, a film built almost entirely on performance and improvisation, opposite Emily Blunt and Mark Duplass. She later appeared in Promised Land alongside Matt Damon, Kill the Messenger opposite Jeremy Renner, Sweet Virginia, and Arizona.
In 2016, DeWitt reached a wider audience with La La Land, portraying Laura Wilder, the supportive and grounded sister of Ryan Gosling’s character. Though a supporting role, her performance added emotional ballast to the film’s romantic fantasy.
On television, DeWitt starred in the Fox series Standoff, playing FBI negotiator Emily Lehman opposite Ron Livingston. She later appeared on United States of Tara as Charmaine Craine, contributing to the show’s exploration of family dysfunction and mental illness. She also made a memorable appearance on Mad Men as Midge Daniels, Don Draper’s bohemian mistress in the series’ early seasons, and appeared in Black Mirror in an episode directed by Jodie Foster.
In 2024, DeWitt starred in the Disney+ film Out of My Mind, portraying the mother of a sixth-grade girl with cerebral palsy. The film was widely praised for its sensitive portrayal of disability and family life and went on to receive a Peabody Award.
Acting Style and Reputation
DeWitt is often described as an “actor’s actor”—valued for her ability to disappear into roles without overt theatricality. Her performances favor emotional specificity, lived-in realism, and an intuitive understanding of interpersonal dynamics. She has consistently gravitated toward projects that emphasize character over spectacle, whether in intimate independent films or ensemble television dramas.
Personal Life
DeWitt was previously married to actor Chris Messina from 1995 to 2006. In 2009, she married actor Ron Livingston, her co-star from Standoff, in a private ceremony in San Francisco. The couple has adopted two daughters, welcoming their first child in 2013 and a second in 2015.
Despite her steady career and critical acclaim, DeWitt has maintained a relatively private personal life, allowing her work to remain the primary focus of her public identity.
