Annie
Annie is a fellow college student and friend of Elizabeth. She is initially introduced as a minor character, but her role becomes more significant as the story progresses.
Annie is a smart and level-headed person who cares for Elizabeth's well-being. She is skeptical of Ed's intentions and tries to warn Elizabeth about him, but is met with resistance. Despite this, Annie remains supportive of Elizabeth and tries to be there for her as a friend.
As the story progresses, Annie becomes increasingly concerned about Elizabeth's well-being and tries to investigate Ed's past. She uncovers information that suggests that Ed is not who he appears to be, and tries to confront him about it. However, her efforts are ultimately in vain, as Ed is able to manipulate and control Elizabeth to the point where she turns against Annie.
Annie serves as a voice of reason in the film, and her skepticism of Ed's intentions is a counterbalance to Elizabeth's naive trust in him. Her efforts to uncover the truth about Ed add a level of suspense to the film, and her tragic fate underscores the dangers of obsession and manipulation.
Overall, Annie is a well-rounded character who serves as a loyal friend and a foil to Ed's manipulative nature. Her intelligence and perseverance add depth to the film's plot, and her ultimate fate serves as a cautionary tale about the dangers of obsession and manipulation.