Andy Coyle Director Bella Ramsey Hilda Voice Ameerah Falzon-ojo Frida Voice Oliver Nelson David Voice Daisy Haggard Mum Voice Rasmus Hardiker Alfur Voice Lucy Montgomery Gerda Voice Dino Kelly Trundle Voice Rachel August Trylla Voice Agnes Peacock Baba Voice John Hopkins Voice Luke Pearson Screenwriter Steve Jacobson Producer Chantal Ling Producer Rachel Simon Producer Clint Eland Executive Producer Kurt Mueller Executive Producer John McKinnon Film Editor Ryan Carlson Original Music Dave Badour Art Director David Peacock Casting