Lots of familiar faces have popped up in Westeros across the eight seasons of “Game of Thrones.” From musicians to comedians to the severed head of a former U.S. president, the HBO series has a habit of throwing in easter eggs for eagle-eyed viewers to spot. Many of the hidden celebrities meet grisly ends, so let’s revisit some of most memorable cameos before the series wraps for good this month.

Ed Sheeran

Sheeran’s cameo nearly spoiled the Season 7 opener as fans questioned the overt and random appearance of the “Shape of You” singer. Arya Stark stumbles upon a group of friendly Lannister soldiers after poisoning all the men in House Frey and hears the golden voice of the famous redhead singer. She shares some food and wine and reminisces about home with the squad, then sets off, saying she’s “going to kill the Queen.” Creator David Benioff...