Warning: This article contains spoilers for the "Game of Thrones" season finale. Proceed at your own risk.

David Nutter has directed two of the most heartbreaking episodes in "Game of Thrones" history. In season three, he helmed "The Rains of Castamere," which depicted the notorious Red Wedding, an event so traumatizing that videos of fans' reactions to the scene went viral.

Nutter...