Otto Frank: Anne’s polite and practical father, Mr. Frank is the head of the “attic family.” His calmness and patience are an asset in the cramped attic and a comfort to Anne, who is very close to him.
Edith Frank: Anne’s reserved and nervous mother, Mrs. Frank loves Anne, but she wishes she were more proper and polite, like her sister Margot. Because of her reserved nature, Mrs. Frank and Anne are not close.
Margot Frank: Anne’s older sister, Margot is much more like her mother than Anne. She is quiet, modest, and reserved: the complete opposite of Anne.
Anne Frank: The youngest daughter of Mr. and Mrs. Frank, Anne is a lively, curious girl of thirteen at the beginning of the play. She remains optimistic throughout the months they are in hiding and always makes the best of the situation she is in. As her diary reveals, she is very introspective and creative and has a vivid imagination.
Putti Van Daan: An irritable former business partner of Mr. Frank, Mr. Van Daan’s family is invited to stay in the attic with the Franks. He is selfish and openly critical of others, especially Anne.
Petronella Van Daan: Mr. Van Daan’s vain and finicky wife, Mr. Van Daan prizes the material things of life, including a fur coat she brought to the attic with her. These traits all make her the center of much of the conflict in the attic.
Peter Van Daan: The son of Mr. and Mrs. Van Daan, Peter is a shy, quiet teenaged boy. He soon becomes a friend and confidant for Anne, and they share first kiss together.
Jan Dussell: Difficult to get along with, Mr. Dussell joins the Franks and the Van Daans after they have been in hiding about two months.
Miep: A very well-liked, generous secretary in Mr. Frank’s office, Miep helps to protect the families in hiding. Along with Mr. Kraler, she brings to the refugees food, supplies, and news from the outside world.
Mr. Kraler: A businessman who works with Miep to help protect the people in hiding, Mr. Kraler risks his life to help his friends.