Rosemarie Braddock DeWitt (born October 26, 1971) is an American actress. DeWitt played Emily Lehman in the Fox television series Standoff (2006–07), co-starring with her future husband Ron Livingston, as well as Charmaine Craine on United States of Tara. She also was the title character in 2008's Rachel Getting Married, garnering several awards and nominations for best supporting actress. She starred in the horror/thriller Poltergeist (2015), a remake of the 1982 film of the same name.

Filmography

• 2026Diamond — Angel
• 2026She Dances — Deb
• UNTAMED — Jill Bodwin
• 2024Out of My Mind — Diane
• 2024Smile 2 — Elizabeth Riley
• Lessons in Chemistry — Avery Parker
• Percy Jackson and the Olympians — C.C. / Circe
• 2023Ramona at Midlife — Mandy
• Pantheon — Ellen Kim (voice)
• 2022The Estate — Beatrice
• 2022The Same Storm — Cindy Lamson
• The Staircase — Candace Zamperini
• And Just Like That… — Kathy
• Little Fires Everywhere — Linda McCullough
• The Boys — Daphne Campbell
• 2019The Professor — Veronica Sinclair-Brown
• 2019Wyrm — Margie
• 2018Arizona — Cassie
• 2018Magic Bullet — Lia
• 2018Song of Back and Neck — Regan
• 2017Sweet Virginia — Bernadette Barrett
• The Last Tycoon — Rose Brady
• 2016La La Land — Laura
• 2015Digging for Fire — Lee
• 2015Poltergeist — Amy Bowen
• 2015The Dramatics: A Comedy — Jacqueline
• 2015The Week — Claire Romans
• 2014Kill the Messenger — Sue Webb
• 2014Men, Women & Children — Helen Truby
• Olive Kitteridge — Rachel Coulson
• 2013Touchy Feely — Abby
• 2012Nobody Walks — Julie
• 2012Promised Land — Alice
• 2012The Odd Life of Timothy Green — Brenda Best
• 2012The Watch — Abby
• 2011A Little Bit of Heaven — Renee Blair
• Black Mirror — Marie
• 2011Margaret — Mrs. Maretti
• 2011The Thief — Rosemarie
• 2011Your Sister's Sister — Hannah
• 2010Tenure — Beth
• 2010The Company Men — Maggie Walker
• 2009Afterschool — Miss Vogel
• 2009How I Got Lost — Leslie
• United States of Tara — Charmaine
• 2008Rachel Getting Married — Rachel Buchman
• Mad Men — Midge Daniels
• 2007Purple Violets — Murph's Hampton's Fling
• 2006Doris — Doris
• 2006Off the Black — Debra
• Standoff — Emily Lehman
• 2006The Wedding Weekend — Dana
• 2005Buy It Now — Mom
• 2005Cinderella Man — Sara
• 2005The Great New Wonderful — Debbie
• Rescue Me — Heather
• Law & Order: Special Victims Unit — Gloria Palmera
• Sex and the City — Fern
• Rubber Hut

Appearances as themselves (6)

• 2020Her Effortless Brilliance: A Celebration of Lynn Shelton Through Film and Music — Self
• The Kelly Clarkson Show — Self
• Late Night with Seth Meyers — Self - Guest
• 2008Establishing Mad Men — Self
• Jimmy Kimmel Live! — Self
• The Ellen DeGeneres Show — Self