Mark Strong - The Narrator
The narrator's voice is played by Mark Strong, a British actor who typically plays cold, calculated antagonists. You may remember from him from Kingsman: Secret Service, in which he played Merlin. He also played Sinestro in Green Lantern, mob boss Frank D'Amico in Kick-Ass, and Lord Blackthorn in Sherlock Holmes. He has a long history in British television, and more recently, roles in video games like Star Wars Battlefront II.