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... the film, relentless in its honesty and shrewd in its insights and techniques, is unlikely to soothe the wounded pride of the actual or aspiring ruling class. It is a tale of greed, vanity, myopia and expediency that is all the more damning for its refusal to moralize.
There are no hissable villains here, no operatic speeches condemning or celebrating greed. Just a bunch of guys (and one woman, Demi Moore) in well-tailored clothes and a state of quiet panic trying to save themselves from a global catastrophe of their own making. Watching them going about their business, you don’t feel the kind of fury inspired by “Inside Job,” Charles Ferguson’s great muckraking documentary on the origins of the financial crisis, but rather a mix of dread, disgust, pity and confusion.
And also, above all, admiration for an extraordinary feat of filmmaking. It is hard to believe that “Margin Call” is Mr. Chandor’s first feature. His formal command — his ability to imply far more than he shows or says and to orchestrate a large, complex drama out of whispers, glances and snippets of jargon — is downright awe inspiring.
http://movies.nytimes.com/2011/10/21/movies/margin-call-with-zachary-quinto-review.html