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  威廉·皮特·布拉蒂

  William Peter Blatty

  饰：Self - Author, The Exorcist, Novel & Screenplay

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  派瑞·穆奇

  Perry Mucci

  饰：Young Fr. Halloran

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  José Antonio Fortea

  José Antonio Fortea

  饰：(as Fr. Jose Antonio Fortea)

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  Norman McIsaac

  Norman McIsaac

  饰：The Psychiatrist