Patricia Arquette (born January 1, 1968) is an American actress, known for playing real life psychic Allison DuBois in the supernatural drama series Medium for seven seasons (2005–2011) in which she received three Golden Globe nominations and two Emmy Award nominations, winning the Emmy Award for Outstanding Lead Actress in a Drama in 2005.
Starting midseason 2015, Arquette starred in the CSI: Crime Scene Investigation spinoff CSI: Cyber as Special Agent Avery Ryan.