Man, as a die-hard 'Game of Thrones' fan who’s rewatched the series more times than I can count, I can confirm Thomas Brodie-Sangster does appear in season 3—and he nails it! He plays Jojen Reed, this mysterious kid with prophetic green dreams who shows up with his sister Meera to guide Bran Stark beyond the Wall. His calm, eerie vibe totally sells the character’s otherworldly wisdom. Honestly, it’s one of those performances that sticks with you; he’s not in every episode, but when he’s on screen, he adds this quiet intensity to Bran’s journey. Plus, seeing him transition from 'Love Actually' to Westeros was a trip!
What’s wild is how different Jojen feels compared to other young characters in the show. He’s not brash like Arya or naive like early Sansa—he’s weighed down by knowledge, and Brodie-Sangster captures that perfectly. It’s a shame his arc ends the way it does (no spoilers!), but his scenes with Isaac Hempstead Wright (Bran) are some of the most underrated in the season. Side note: If you like him here, check out 'The Queen’s Gambit'—dude’s range is insane.