Robin Tunney (born June 19, 1972) is an American actress who made her film debut in Encino Man (1992), and later rose to prominence with headline parts in the cult films Empire Records (1995) and The Craft (1996). Her performance in Niagara, Niagara (1997) won her the Volpi Cup for Best Actress. She then had leading roles in End of Days (1999), Supernova, Vertical Limit (both 2000), Cherish, The Secret Lives of Dentists (both 2002) and The In-Laws (2003), and earned wider recognition playing Veronica Donovan on Prison Break (2005–2006) and Teresa Lisbon on The Mentalist (2008–2015).
Tunney's portrayal of a sexual assault victim in Open Window (2006) was praised. Her subsequent film credits included Hollywoodland (2006), August, The Burning Plain (both 2008), Passenger Side (2009), Looking Glass and Monster Party (both 2018). She starred on the short-lived ABC series The Fix in 2019.
