Rosemarie DeWitt

DeWitt was born in Flushing, Queens, New York, the daughter of Rosemarie (Braddock) and Kenny DeWitt. She is a granddaughter of former World Heavyweight Champion James J. Braddock,^[4] and played the role of neighbor Sara Wilson in the film Cinderella Man, which depicted James J. Braddock's life.^[5]

DeWitt lived in Hanover Township, New Jersey, and is a graduate of Whippany Park High School.^[6] She performed in several high school productions.^[7][8] She attended the New College at Hofstra University where she received a Bachelor of Arts in creative studies.^[9] While at Hofstra, she also joined Alpha Phi. She had additional training at The Actors Center in New York.^[7]

DeWitt played the role of Rachel in the Jonathan Demme-directed movie Rachel Getting Married (2008) alongside Anne Hathaway, for which she won several critics' awards and a Satellite Award for Best Supporting Actress.^[10] Other film credits include Jason Reitman's Men, Women, & Children, Michael Cuesta's Kill the Messenger opposite Jeremy Renner, Gus Van Sant's Promised Land opposite Matt Damon, and Lynn Shelton's Your Sister's Sister opposite Emily Blunt and Mark Duplass. In 2016, DeWitt appeared in Damien Chazelle's musical romance La La Land opposite Ryan Gosling and Emma Stone. DeWitt appeared in the indie-thriller Sweet Virginia, directed by Jamie Dagg, which premiered at the 2017 Tribeca Film Festival. In 2018, DeWitt starred opposite Danny McBride in Arizona.

On television, DeWitt was seen in three seasons of the Showtime comedy series United States of Tara alongside Toni Collette. In addition to her role on United States of Tara, DeWitt also recurred on the AMC series Mad Men, playing Midge Daniels, Don Draper's (Jon Hamm) bohemian mistress, in the show's first season. She appeared in the second episode in the fourth season of the British series Black Mirror for director Jodie Foster.

DeWitt has performed in numerous off-Broadway plays.^[11] Most notably, she starred in John Patrick Shanley's Danny and the Deep Blue Sea at the Second Stage Theatre;^[7] George S. Kaufman's The Butter and Egg Man at the Atlantic Theater Company;^[7] and Craig Lucas' Small Tragedy, for which the entire cast won an Obie Award.^[7] From May 4–23, 2010, DeWitt appeared in MCC Theater's Off Broadway play Family Week, written by Beth Henley and directed by Jonathan Demme. In its review of the play, the New York Times stated that DeWitt's lead performance "has many affecting moments as the beleaguered Claire."^[12]

In 2024, DeWitt starred in the Disney+ film Out of My Mind, following the story of sixth grader Melody Brooks who has cerebral palsy. DeWitt played Melody's mother, Diane Brooks. The film won a Peabody Award^[13] at the 85th Annual Ceremony.

She was married to actor Chris Messina from 1995 to 2006. She married actor Ron Livingston, her co-star in Standoff, on November 2, 2009, in San Francisco.^[14] In May 2013, the couple announced that they had recently adopted an infant daughter.^[15] In December 2016, they made public that they had adopted a second infant daughter in 2015.^[16][17]

Rachel Getting Married

• Santa Barbara International Film Festival: Virtuoso Award^[18]
• Satellite Award for Best Supporting Actress – Motion Picture
• Toronto Film Critics Association Award for Best Supporting Actress
• Utah Film Critics Association Award for Best Supporting Actress
• Vancouver Film Critics Circle Award for Best Supporting Actress
• Washington D.C. Area Film Critics Association Award for Best Supporting Actress
• Nominated – Broadcast Film Critics Association Award for Best Cast
• Nominated – Chicago Film Critics Association Award for Best Supporting Actress
• Nominated – Dallas-Fort Worth Film Critics Association Award for Best Supporting Actress^[19]
• Nominated – Detroit Film Critics Society Award for Best Supporting Actress
• Nominated – Detroit Film Critics Society Award for Best Newcomer
• Nominated – Gotham Independent Film Award for Best Ensemble Cast
• Nominated – Gotham Independent Film Award for Breakthrough Actor
• Nominated – Independent Spirit Award for Best Supporting Female
• Nominated – International Cinephile Society Award for Best Supporting Actress^[20]
• Nominated – New York Film Critics Circle Award for Best Supporting Actress (3rd place)

Your Sister's Sister

• Gotham Independent Film Award for Best Ensemble Performance
• Nominated – Chlotrudis Award for Best Supporting Actress^[21]
• Nominated – Independent Spirit Award for Best Supporting Female
• Nominated – International Cinephile Society Award for Best Supporting Actress^[22]