Ruby Barnhill
Princess Emmy (voice)
Franka Potente
Queen Karla (voice)
John Hannah
King Karl (voice)
Tim McInnerny
Gregorius the Ghost (voice)
Bella Ramsey
Princess Gizana (voice)
K
Kenny Blyth
Additional Voices
Uwe Ochsenknecht
Vincenzo Massimo Cerimonata (voice)
T
Tyler Collins
Additional Voices
M
Michael Daviot
Xaver (voice)
Joel Fry
Ceasar (voice)
C
Christina Gordon
Additional Voices
A
Al Hawkinson
Paul (voice)
Robert Jack
Sebastian April (voice)
Nathan Mack
David (voice)
S
Scarlett Mack
Additional Voices
S
Steven McNicholl
Vincenzo (voice)
E
Euan Mitchell
Moritz (voice)
James Anthony Pearson
Donny / Valentine (voice)
Gabriel Quigley
Frau Zwickelmeier / Daphne (voice)
V
Vari Sylvester
Marie (voice)
C
Claire Waugh
Fionnuala Bloom (voice)