What are some characters of Number the Stars?

"Number the Stars" is a historical fiction novel by Lois Lowry set during the Holocaust. Some key characters include Annemarie Johansen, the protagonist who shows courage and resilience as she helps her Jewish friend Ellen Rosen escape the Nazis. Ellen Rosen is a Jewish girl who goes into hiding with the Johansen family. Other important characters include Annemarie's parents, Mr. and Mrs. Johansen, who demonstrate bravery and selflessness in protecting Ellen and standing up against the Nazis.