Revealing: Right at the end when John is dying look at the texture of his blood. It is way too thin, almost like coloured water.
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Trivia
Despite repeated citations in print, (as recently as the 2001 edition of 'Film Facts' by Patrick Robertson), both Donald Sutherland and Julie Christie maintain that the sex scene between them was, in fact simulated, and they did not actually have sex, as has been widely reported. See more...
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