Board Thread:Questions and Answers/@comment-91.99.158.164-20150617212454/@comment-1600847-20150730134418

Whether he's dead or not isn't in question, what's in question is whether he'll stay dead.

Also Harrington being spotted in Belfast isn't proof, Charles Dance was on the set in season 5 but he only played Tywin's corpse, Tywin didn't come back.