Julianne Nicholson

Julianne Nicholson (born July 1, 1971) is an American actress. She is known for her roles in the film August: Osage County (2013) and the television series Law & Order: Criminal Intent (2006–2009), Masters of Sex (2013–2014), Eyewitness (2016), and Mare of Easttown (2021), the last 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), The Outsider (2020), Blonde (2022), and Paradise (2025).