Your own mind is scarier than anything on the screen

Rating: 10/10 (5 August 2006)

***SPOILERS AHEAD***
What an absolutely outstanding horror film. Not only is it very well acted, but Marshall takes the time to establish the characters, causing the viewer to invest their emotions into them. This not only makes for better film-making, but the forces the viewer experience the film on a more intimate level; invoking more uncertainty, tension and terror.
Also, Marshall uses the penultimate tactic that makes any horror movie good. The viewer is shown almost nothing, allowing the mind to make up for what is not shown. Just like in "Alien", you are left to your own imagination to invent what you think may be in the darkness. At times when watching this movie, I was literally paralyzed with my own fear, unable to tear my eyes away from the screen. I have not been that truly scared in a long time. Outstanding work.
However, do yourself a huge favor and attempt to see the original UK release, as the U.S. version has a modified ending. The UK version is by far superior and Lions Gate (the American distributor) should have left well enough alone.
I can only hope that more movies like this one come out as this is the way it should be done.