Agreed. It is 'effin terrifying.
Can't quite name it as scariest movie ever but it is certainly a whopper. A muffin-choker, a gobstopper. Heart-in-throat stuff.
Charles Durning was so great anytime he played a police officer. He excelled in those assignments.
Paul P. Powell, Pool Player

The beginning and ending are scary and suspenseful as all hell, but the middle seriously drags.
You've seen Guy Standeven in something because the man was in everything.

i agree
Ben-Hur2016 10/10 BvS Ultimate Edition10/10 Suicide Squad 9/10 Terminator Genisys9/10

It's a genuine thriller, even if you watch a lot of scary movies. The suspense is almost always unbearable.

Definitely one of them; atmospheric and suspenseful (its one of my favorites).
"Martyr me for Cordis Die."

The idea someone could be living in your house without you knowing is what nightmares are made of.
There is a movie from the 70's called 'Bad Ronald' that's about that very same thing. Saw it as a kid and it creeped me out.

I have a high threshhold for horror movies, I absolutely love them. But this movie had my heart pounding, having me in full fledged fight or flight mode. I paused it at fifteen minutes in and I have yet to get back to itand that was a little over a week ago. The camera angles were brilliant, maybe a little too brilliant.
The creepiest part wasn't the killer, but what was
not
happening.The way they kept that focus on the blackness behind the babysitter, and kept us waiting for him to walk out of it was terrifying. I'm nervous just thinking about it again. This movie hits on all my fears. The idea someone could be living in your house without you knowing is what nightmares are made of. I had a nightmare about this very thing almost twenty years ago that has stayed with me, and probably at some point it will become a novel. Maybe I can finally work through some of these fears.
~Keep some room in your heart for the unimaginable~

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The atmosphere of tension created in this movie is almost unparalleled. Agree totally! It's surprising that the director, Fred Walton, didn't go on to do many more horror/suspense movies.
He actually recreated the sense of dread in "When A Stranger Calls Back" (Act I) which is almost as good as this. Even better in a way, since most of us know the call is coming from inside the house, but don't know the payoff in the sequel!

The first half hour and last half hour is amazing but that middle half hour, while pretty good, is not as good as the rest of the film
So you do have a plan? Yeah, Mr. White! Yeah, science!

i agree