Dagmara Domińczyk (doh-MEEN-chik, born July 17, 1976) is a Polish-American actress and author. She's best known for her roles as Mercedès Iguanada in The Count of Monte Cristo (2002), Tania Asher in Rock Star (2001), Agnes Gebhard in Kinsey (2004), Marguerite in The Five People You Meet in Heaven (2004), Katrina on WB's The Bedford Diaries, Suzanne in Running with Scissors (2006), Belva in The Immigrant (2013), Elizabeth Taylor in Big Stone Gap (2013), Stacy in Let's Kill Ward's Wife (2014), Karolina Novotney on HBO's Succession, Ellen in The Assistant (2020), Erika Jensen on HBO's We Own This City (2022), and Elle Sellwyn on AppleTV's Hello Tomorrow! (2023). In 2013, she released her novel The Lullaby of Polish Girls. She has been married to actor Patrick Wilson since 2005 and they have two sons. Her sisters are actress Marika Domińczyk and actress Veronika Domińczyk.

Filmography

• 2026Tony — Gladys
• Black Rabbit — Val
• 2025Goodnight
• 2024F*ck That Guy — Lorraine
• 2024Miller's Girl — Beatrice June Harker
• 2024Travel Essentials — Ada Rosińska
• 2023Bottoms — Mrs. Callahan
• Hello Tomorrow! — Elle Sellwyn
• 2023Insidious: The Red Door — Priest (voice)
• 2023My Love Affair with Marriage — Zelma (voice)
• 2023Priscilla — Ann Beaulieu
• We Own This City — Erika Jensen
• American Horror Stories — Anka Kieslowski
• 2021The Lost Daughter — Callie
• 2020Abe — Rebecca
• 2020The Assistant — Ellen
• Prodigal Son — The Nightingale
• Succession — Karolina Novotney
• 2017A Woman, a Part — Nadia Audali
• The Deuce — Genevieve Furie
• 2014Big Stone Gap — Elizabeth Taylor
• 2014Jack Strong — Sue
• 2014Let's Kill Ward's Wife — Stacy
• 2013Phantom — Sophi
• 2013The Immigrant — Belva
• 2012The Letter — Elizabeth
• 2011Higher Ground — Annika
• Person of Interest — Sarah Jennings
• Suits — Nancy
• Boardwalk Empire — Dinah Linehan, prostitute who robs Nucky
• 2010Helena from the Wedding — Eve
• The Good Wife — Isabel Sharp
• 2007Prisoner — Olivia
• 2006Lonely Hearts — Delphine Downing
• 2006Mentor — Julia
• 2006Running with Scissors — Suzanne
• The Bedford Diaries — Katrina
• 2005Hitched — Amber
• 2005Trust the Man — Pamela
• 2004Bad Apple — Gina
• 2004Kinsey — Agnes Gebhard
• 2004The Five People You Meet In Heaven — Margeurite
• 2004Tough Luck — Divana
• 2002The Count of Monte Cristo — Mercedes Iguanada
• 2002They — Terry Alba
• 24 — Nicole
• 2001Rock Star — Tania Asher, Steel Dragon PR
• 2000Keeping the Faith — Claire
• Law & Order: Special Victims Unit — Kate Logan
• Third Watch — Jeneca Farabee
• Adulting
• Felix the Painter — Brigitte
• Karmic Knot — (voice)
• Surgat
• Tonight at Noon — Sally

Appearances as themselves (1)

• 2011Helena from the Wedding: Cast Interviews — Self