Paul Verhoeven is sharp to point out the duality of the film. Obviously we have Quaid and Hauser, but the director notes that this could all still be part of Quaid's original fantasy, that he's simply in a dream world, experiencing it all. He points out that the actors in Quaid's world at the beginning of the film could be genuine people, not agents who are spying on him. Much of the commentary is devoted to Verhoeven and Arnold Schwarzenegger explaining how the two sides work. In all honesty, they end up making the film more confusing. The visual effect of people walking behind the weapon detectors was attempted using motion capture, but this failed. Because they had captured Schwarzenegger's movements, the visual effects artists were able to copy it exactly for the effect seen.

Film

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