Robin Tunney (born June 19, 1972) is an American actress. She is known for her role as Teresa Lisbon in the television series The Mentalist (2008–2015), as well as previous roles in the films Encino Man (1992), Empire Records (1995), The Craft (1996), End of Days (1999), Supernova and Vertical Limit (2000), and the television series Prison Break (2005–06).
Tunney was born in Chicago, Illinois, to a car salesman father and a bartender mother. Tunney is Irish American; her father was born in Straide, County Mayo, Ireland, while her maternal grandparents were from Clare Island. Tunney grew up in Orland Park, a southwest suburb of Chicago. She was raised Roman Catholic, attended Carl Sandburg High School in Orland Park and the Chicago Academy for the Arts in Chicago, and resided in Palos Heights, also in the Chicago area. She is a cousin of Chicago Alderman Tom Tunney.
At the age of 19, Tunney moved to Los Angeles, California, and obtained several recurring television roles on Class of '96, Law & Order, Dream On, and Life Goes On. She gave her breakthrough performance as a suicidal teenager in Empire Records (with a shaved head) and attracted further attention by playing a witch in The Craft.