When Hilda wakes up in the body of a troll, she must use her wits and courage to get back home, become human again — and save the city of Trolberg. Bella Ramsey, Ameerah Falzon-Ojo, Oliver Nelson, Daisy Haggard, Rasmus Hardiker, John Hopkins, Lucy Montgomery, Dino Kelly, Rachel August, Agnes Peacock Added on Netflix 2021-12-31. Youtube Trailer