Bella Ramsey

Hilda (voice)

Ameerah Falzon-Ojo

Frida (voice)

Daisy Haggard

Johanna (voice)

Rasmus Hardiker

Alfur Aldric (voice)

John Hopkins

Erik Ahlberg (voice)

Lucy Montgomery

Gerda Gustav (voice)

Dino Kelly

Trundle (voice)

Rachel August

Trylla (voice)

Harriet Turnbull

Additional Voices (voice)

James Corden

David's Dad (voice)