Linda Denise Blair (b. Jan 22, 1959) is an American actress, specializing in roles in horror films.
Blair is best known for her role as the possessed child, Regan, in the film The Exorcist (1973), for which she was nominated for an Academy Award and won a Golden Globe. She reprised her role in Exorcist II: The Heretic (1977).
Blair's career took a new turn in the 1980s, as she starred in a number of successful low-budget horror and exploitation films, including Hell Night (1981), Chained Heat (1983) and Savage Streets (1984).
Blair later worked in numerous films, mostly comedies, including The Exorcist send-up Repossessed in 1990, and a cameo role in Scream (1996).
In 1997, she appeared in a Broadway revival of Grease. She was cast as a regular in the BBC television show, L.A. 7 (2000). She hosted Fox Family's Scariest Places on Earth (2000-6).
She currently weighs 500 pounds.