Grueling and gruesome British-made horror film about six women friends (plenty for sacrifice), out for adventure, who enter an uncharted Appalachian cavern ("If there's no risk, what's the point?") and encounter a subterranean tribe of omnivores. Director Neil Marshall, straight-faced, businesslike, unpretentious, had a real movie going -- a movie of startlements, portents, physical and psychological challenges -- even before he ushered in the Gollum-like creatures of colorless candlewax. These, for all their economy of means, are as scary as they need to be. With Shauna Macdonald, Natalie Jackson Mendoza, and Alex Reid. (2007) — Duncan Shepherd
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