Bella Ramsey
Hilda (voice) (34 eps)
Daisy Haggard
Mum (voice) (34 eps)
Ameerah Falzon-Ojo
Frida (voice) (34 eps)
Rasmus Hardiker
Alfur (voice) (34 eps)
Oliver Nelson
David (voice) (34 eps)
John Hopkins
Erik Ahlberg (voice) (13 eps)
Lucy Montgomery
Gerda Gustav (voice) (13 eps)