Anne's father, known for his calm and reserved demeanor, who becomes the only surviving member of the Secret Annex group after the war.

Anne's mother, whose relationship with Anne is strained, though she shares a closer bond with her other daughter, Margot.

Anne's elder sister, who is more reserved and thoughtful, sharing a closer bond with their mother.

The adolescent boy in the Secret Annex, known for his quiet nature, with whom Anne shares a close friendship.

Peter van Daan's mother, initially disliked by Anne, but later noted for her hardworking and cheerful nature.

Peter van Daan's father, whose family joins the Secret Annex due to his business connection with Otto Frank.

The last person to join the Secret Annex, who struggles to get along with the other residents.

A loyal employee of Otto Frank who assists the residents of the Secret Annex by providing supplies and preserving Anne’s diary after their arrest.

An employee of Otto Frank who helps the Secret Annex residents by providing support and supplies during their time in hiding.

Bep’s father, who assists the Secret Annex residents by constructing the bookcase that conceals their hiding place.

An employee of Otto Frank who provides help to the Secret Annex residents and faces arrest for his involvement.

Another helper of the Secret Annex residents, who is arrested for his assistance but later released due to health reasons.