https://nypost.com/2024/08/06/sports/olympic-swimming-medalist-daniel-wiffen-was-in-famous-game-of-thrones-scene/

Irish swimmer Daniel Wiffen, who took home the gold in the men’s 800-meter freestyle and the bronze in the 1500-meter freestyle at the Paris Games, appeared with his twin brother Nathan as background extras in Game of Thrones' infamous Season 3 "The Rains of Castamere" episode.