Ana karakterler
HeidiAna karakter
Kazuko SugiyamaJaponca
Alm-OnjiAna karakter
Kouhei Miyauchi
PeterAna karakter
Noriko OharaJaponca
ClaraAna karakterUrsula Wolff
DeteAna karakter
Taeko NakanishiJaponca
RottenmeierAna karakter
Tilly Lauenstein
Mr. SesemannAna karakterKlaus Kindler
GrandmotherAna karakterTilli Breidenbach
JohannAna karakterYoshiaki NemotoJaponca
Diğer karakterler
- Alm-UncleKouhei MiyauchiJaponca
- 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