Is it true the main girl from the Exorcist went insane?
No she didnt go insane. Linda Blair is went on to make many more movies. She had other issues like other actor/actresses did with having problems getting rolls, but she has done other movies and gotten into drugs, didnt go insane. From the age of six, Linda Blair had to get used to the spotlight, both as a model and in motion pictures, when out of 600 applicants she got picked for the role of Regan, the possessed child, in The Exorcist (1973). Linda seemed to be set to take the Academy Award for that role, but when it leaked how little of the possessed child she actually had been (dubbed voice by Mercedes McCambridge and liberal use of a dummy) that dream broke, and with that disappointment probably came the first blow to what should have been a sure road to stardom. Over the next few years she had no trouble finding leading roles in a number of pictures, mostly as some kind of abused child (13-year-old alcoholic, rape victim, to mention a few), but the early attention brought with it