Dawn Olivieri: Dawn Olivieri. Actress: 1883. Dawn Orienne Olivieri is an American actress perhaps best known for her turn as Lydia in Heroes and Monica Talbot in House of Lies. She has appeared in the Showtime series House of Lies for 41 episodes, starting in 2012, playing the competitive management consultant and ex-wife of main character Marty Kaan and mother of their son, Roscoe Kaan. She acted as Janice Herveaux in the...
