The Exorcist
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Continuity mistake: When Chris is taking a walk with the priest Damien, she throws her cigarette to the ground, but in the next shot it's back in her hand again. (01:21:30 - 01:22:06)

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Trivia: Author and writer of the book and script William Peter Blatty has a cameo early in this film. He plays the producer trying to have a word with director Burke Dennings on the movie set before Burke turns his attention to Chris MacNeil. William Peter Blatty is the middle eastern-looking guy with the black hair and moustache, which is natural since his mother is originally from Lebanon.

Allister Cooper, 2011

Continuity mistake: The Psychiatrist that hypnotizes Regan is wearing a tie that in the close-ups, is retied differently as the scene progresses. (01:02:05)

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Trivia: The vomit that Linda Blair spewed was actually split-pea soup. Specifically, the effects crew decided to use Anderson's split-pea soup because Campbell's split-pea soup wasn't green enough.

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Question: Was "caption howdy" the demon? Or did Regen make him up, the way some kids do?

Answer: It was indeed Pazuzu, he wanted Regan to believe he was some friendly entity to gain her trust. Thus the Captain Howdy facade.

Answer: The implication is that Captain Howdy was the name the demon gave itself while communicating with Regen prior to its possession of her.

Phixius

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