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  === Filming ===
  The episode was directed by David Nutter. This was his final episode of the series overall.
  During filming of the banquet scenes, a disposable coffee cup was accidentally left on the set; it was briefly visible in the original broadcast of the episode, but was digitally erased two days later.
  Actress Nathalie Emmanuel was digitally inserted into the long shots of her own death scene, because filming took place at a great physical height and was exposed to photographers. To keep the plot secret, Emmanuel did not participate in those takes, while her close-ups were shot separately on a sound stage.