PersonWilliam Peter BlattyNo biography recorded yet — a curator can add one through the Admin console.Filmography (16)YearFilmAs1990The Exorcist III: Legion1990The Exorcist III1990The Exorcist III1990The Exorcist III: Legion1980The Ninth Configuration1980The Ninth Configuration1976Mastermind1973The Exorcist1970Darling Lili1969The Great Bank Robbery1967Gunn1966What Did You Do in the War, Daddy?1966Promise Her Anything1965John Goldfarb, Please Come Home!1964A Shot in the Dark1963The Man from the Diners' Club