Julianne Nicholson stars as Helen Torrance, former big-city homicide detective who left her harrowing career to become a small-town sheriff and loving wife, in USA Network’s bone-chilling original drama series Eyewitness.  Nicholson co-starred in Black Mass for Warner Bros. with a remarkable cast led by Johnny Depp and Joel Edgerton.  Previously, Nicholson reunited with John Wells for August: Osage County with another stellar cast that won the Hollywood Film Award for Best Ensemble and was nominated for a SAG and Critics’ Choice Award in the same category. She recently wrapped production in South Carolina on Sophie and the Rising Sun alongside Margo Martindale, Lorraine Toussaint, and Diane Ladd. In television, Nicholson starred with Jason Momoa in the original scripted series The Red Road for the Sundance Channel.  She also guest starred in multi season arcs on both Showtime’s Masters of Sex and HBO’s Boardwalk Empire. She first worked with John Wells on the medical drama Presidio Med, which he produced. Nicholson’s other series commitments include Dick Wolf’s Conviction and Law and Order: Criminal Intent, Steven Spielberg’s paranormal drama The Others, and David E. Kelly’s Ally McBeal. Independent film work has been a staple for Nicholson with leading roles in Hilary Birmingham's Tully, opposite James Franco, Jay Anania's Shadows & Lies, Bill Condon's Kinsey and alongside Ethan Hawke in Staten Island, and most recently 10,000 Saints. Nicholson also draws fans in the international market working with such acclaimed directors as Peter Chan in The Love Letter and Nick Hurran in Little Black Book. Nicholson’s stage work includes a role she originated in Sam Shepard’s latest play Heartless, Melissa James Gibson’s This, and Rattlestick’s production of Adam Rapp’s Hallway trilogy.