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) |
 Katsuji MoriPeter van Daan (voice) | Peter van Daan (voice) |
 Miyuki UedaMargot Frank (voice) | Margot Frank (voice) |
| NNoriko NakamuraEdith Frank (voice) | Edith Frank (voice) |
 Tōru AbeOtto Frank (voice) | Otto Frank (voice) |
 Eisuke YodaAlbert Düssel (voice) | Albert Düssel (voice) |
 Fumie KashiyamaNarrator (voice) | Narrator (voice) |
 Hisako KyodaPetronella van Daan (voice) | Petronella van Daan (voice) |
 Koichi KitamuraHermann van Daan (voice) | Hermann van Daan (voice) |
| SSaiko EgawaMiep Gies (voice) | Miep Gies (voice) |