Who are all the characters in snow treasure?

In "Snow Treasure" by Marie McSwigan, the main characters include Peter Lundstrom, a brave young boy who becomes a leader among his friends, and his sister, Frithjof Lundstrom, who supports him. Other notable characters are their parents, who are determined to protect their family, and the Norwegian resistance fighters, who help the children in their mission. The story is set during World War II, and the children work together to transport gold bullion past the Nazis.