: Julianne Nicholson is an American actress born on February 1, 1971, in Medford, Massachusetts. She is known for her powerful performances in Masters of Sex, Law & Order: Criminal Intent, and especially the HBO miniseries Mare of Easttown (2021), for which she won the Emmy Award for Outstanding Supporting Actress in a Limited Series. She has also appeared in Boardwalk Empire, Black Mass, Eyewitness, and I, Tonya.