 1. ACTUALLY HAPPENED: Peter Dinklage as Tyrion Lannister on Game of Thrones 2. HASNT HAPPENED YET: Jessica Chastain as Celia St. James in The Seven Husbands of Evelyn Hugo 3. ACTUALLY HAPPENED: Rosario Dawson as Ahsoka Tano in The Mandalorian and Ahsoka 4. DIDNT HAPPEN: Aaron Taylor-Johnson as young James Potter in a Harry Potter ... 11 TV And Film Dream Castings That Came True And 11 That Didnt... 