Amsterdam, June 12, 1942. Anne celebrates her 13th birthday and begins her diary, which she calls Kitty. Hiding for two years from the German threat, the young girl writes about her idealistic views on the world, her ambitions, her fears and her first love, Peter.
| Actor | Role |
|---|---|
 Mariko FujiAnne Frank (voice) | Anne Frank (voice) |
 Miyuki UedaMargot Frank (voice) | Margot Frank (voice) |
| NNoriko NakamuraEdith Frank (voice) | Edith Frank (voice) |
 Tōru AbeOtto Frank (voice) | Otto Frank (voice) |
 Koichi KitamuraHermann van Daan (voice) | Hermann van Daan (voice) |
 Hisako KyodaPetronella van Daan (voice) | Petronella van Daan (voice) |
 Katsuji MoriPeter van Daan (voice) | Peter van Daan (voice) |
| SSaiko EgawaMiep Gies (voice) | Miep Gies (voice) |
 Eisuke YodaAlbert Düssel (voice) | Albert Düssel (voice) |
 Fumie KashiyamaNarrator (voice) | Narrator (voice) |