Pet Sematary is a movie with numerous monsters. We have Church, the undead cat; Pascow, who, though he serves as something of a supernatural guide, is also a very unsettling apparition; Gage, after he has been resurrected; and the dark power of the burial ground itself. Each of these elements impacts the story in a different way, but they are all present and serve a purpose in the narrative. And that purpose is Death itself. Each of these emissaries is yet another warning that Death has its sights set on the Creed family and that their tragic fate was sealed the moment they entered their new home.
As frightening as this gang of undead phantoms is, though, perhaps the most memorable and frightening spectre in Mary Lambert’s film is Rachel’s long-dead sister, Zelda (Andrew Hubatsek). In one of the most terrifying scenes in the entire movie, Rachel (Denise Crosby