Actress who played the possessed Regan in The Exorcist. The role earned her a Golden Globe Award for Best Supporting Actress as well as an Academy Award nomination. In 1977, she reprised her role in Exorcist II: The Heretic.
She became a child model at age six. In 1970, at the age of ten, she made her big screen debut in The Way We Live Now.
She made a guest star appearance on the TV series Supernatural in 2006.
She dated Rick Springfield from 1975 to 1977.
She was cast by director William Friedkin in the classic horror film The Exorcist.