“Game Of Thrones” fans, meet Dunk and Egg. HBO has their two leads for “A Knight Of The Seven Kingdoms: The Hedge Knight” as the series inches closer to production. Peter Claffey will star as Ser Duncan the Tall (“Dunk”), while Dexter Sol Ansell is Aegon V Targaryen (“Egg), his squire. READ MORE: ‘The Hedge Knight’: ‘Game Of Thrones’ Spinoff Headed For A Late 2025 Premiere And for those shocked that Ansell, who moviegoers may recognize from “The Hunger Games: The Ballad Of Songbirds & Snakes,” is just 9 years old, well, that’s the point.