Linda Blair was 17-years old when she signed on to star in Exorcist II: The Heretic.
However, when asked about coming on for Exorcist II: The Heretic, Boorman had a change of heart because all of the heavy lifting had been done with the first film.
Blair had this to say about her decision to sign on for Exorcist II: The Heretic.
According to co-producer Richard Lederer, Exorcist II: The Heretic was set up to be a blatant, low budget cash-in.