A French intelligence agent becomes embroiled in the Cold War politics first with uncovering the events leading up to the 1962 Cuban Missle Crisis, and then back to France to break up an international Russian spy ring.
A high ranking Russian official defects to the United States, where he is interviewed by US agent Michael Nordstrom. The defector reveals that a French spy ring codenamed "Topaz" has been passing NATO secrets to the Russians. Michael calls in his French friend and counterpart Andre Devereaux to expose the spies.
Written by Col Needham <col@imdb.com>
Knowing that he had no ear for music, Alfred Hitchcock didn't even bother listening to Maurice Jarre's completed score for the film, slotting it onto the images without a quibble.
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Goofs
Revealing mistakes:
Later in the film, as the camera pushes through the open front door into the house party, the closed door to the left of the screen can be seen to slide out of the way before it has gone out of shot (allowing the camera to continue forward).
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