Profile photo of Julianne Nicholson

Julianne Nicholson

Julianne Nicholson (born July 1, 1971) is an American actress. She is best known for her roles in the films August: Osage County (2013) and Blonde (2022), as well as the television series Law & Order: Criminal Intent (2006–2009), Masters of Sex (2013–2014), Eyewitness (2016), and Mare of Easttown (2021), the lattermost of which earned her a Primetime Emmy Award. Nicholson's other notable credits include Tully (2000), Ally McBeal (2001–2002), Kinsey (2004), Conviction (2006), Boardwalk Empire (2011–2013), Black Mass (2015), I, Tonya (2017), Togo (2019), and The Outsider (2020).

Filmography

2025
The Amateur

as Director O'Brien

Movie
2023
Dream Scenario

as Janet Matthews

Movie
2019
Togo

as Constance Seppala

Movie
2015
Black Mass

as Marianne Connolly

Movie
2025
Paradise

as Samantha 'Sinatra' Redmond

TV Show