Rory McCann (born 24 April 1969) is a Scottish actor and musician, best known for portraying Sandor "The Hound" Clegane on the HBO series Game of Thrones and Lurch in Edgar Wright's crime-comedy Hot Fuzz.

Who is the actor that plays the hound? OK. Let's think. My stream of consciousness:
The relevant sentence in the passage is: Rory McCann (born 24 April 1969) is a Scottish actor and musician, best known for portraying Sandor "The Hound" Clegane on the HBO series Game of Thrones and Lurch in Edgar Wright's crime-comedy Hot Fuzz. The answer is Rory McCann.