Some of the most famous images of Mount Rushmore are from Alfred Hitchcock's 1959 classic spy movie, North by Northwest ... Halfway to the top, I looked down dizzily. 'I'm a screenwriter.

Alfred Hitchcock's 1959 classic "North by Northwest" "really ought to be unstageable", said Patrick Marmion in the Daily Mail. The film is about a slick Manhattan ad man who's mistaken for a spy ...