Ana karakterler
HeidiAna karakter
Kazuko SugiyamaJaponca
DeteAna karakter
Taeko NakanishiJaponca
ClaraAna karakter
Anna Orraİspanyolca
Alm-OnjiAna karakter
Erik Jelde
PeterAna karakter
Noriko OharaJaponca
RottenmeierAna karakterTilly Lauenstein
Mr. SesemannAna karakterKlaus Kindler
GrandmotherAna karakterTilli Breidenbach
JohannAna karakterYoshiaki NemotoJaponca
Diğer karakterler
- Pedro
Maria Rosa Guillénİspanyolca - GrandfatherJoaquín Gómezİspanyolca
- Alm-Uncle
Kouhei MiyauchiJaponca - Mrs. RottenmeierGloria Gonzalezİspanyolca
- Clara's GrandmotherMaría Espinosaİspanyolca
- Clara Sesemann
Rihoko YoshidaJaponca - Frau Rottenmeier
Miyoko AsōJaponca - Madam SesemannNatsuko KawajiJaponca
- Peter's GrandmotherMiyako ShimaJaponca
- Sebastian
Kaneta KimotsukiJaponca - Dr. KlassenYoshiaki NemotoJaponca
- Tinette
Noriko TsukaseJaponca 
Narrator
Toshiko SawadaJaponca- Brigitte
Akiko TsuboiJaponca - Church Tower Guard
Tetsuo MizutoriJaponca - The Boy With the Barrel Organ
Masako NozawaJaponca