3/4. The Exorcist. William Friedkin 's cult shocker outraged and disgusted in equal measure yet cinemagoers queued up enthusiastically to see if they could last the course. In his series on how
Hollywood reflects real life, Gerry Northam asks what the film had to do with the reality of exorcisms and how its success affected those authorised to cast
OUt demons. Producer John Byrne