Mia Wasikowska
Miss Novak
Sidse Babett Knudsen
Miss Dorset
Amir El-Masry
Mr. Dahl
Elsa Zylberstein
Elsa's Mother
Mathieu Demy
Elsa's Father
Ksenia Devriendt
Elsa
Luke Barker
Fred
Florence Baker
Ragna
Samuel D Anderson
Ben
Gwen Currant
Helen
Amanda Lawrence
Miss Benedict
Sam Hoare
Fred's Father
Camilla Rutherford
Fred's Mother
Keeley Forsyth
Ragna's Mother
Lukas Turtur
Ragna's Father
Isabel Lamers
Doctor
Andrei Hozoc
Corbinian
Laoisha O'Callaghan
Helen's Mother (as Laisha O'Callaghan)
Sade McNichols-Thomas
Joan
Szandra Asztalos
Housekeeper
Rebecca Crankshaw
Sports Teacher