* Corrie ten Boom: A Dutch watchmaker who, along with her family, hid Jewish people during the Holocaust. She was later arrested and sent to a concentration camp, where she miraculously survived.
* Betsie ten Boom: Corrie's sister, who also played a vital role in hiding Jewish people. She was arrested and died in a concentration camp.
* Casper ten Boom: Corrie's father, who provided moral and financial support to his daughters' activities.
* Willem ten Boom: Corrie's brother, who was also involved in the resistance movement. He was arrested and later executed by the Nazis.
Other Characters:
* Peter: A Jewish man who was hidden by the ten Boom family. He eventually escaped to England.
* Henny: A Jewish woman who was hidden by the ten Boom family. She was later arrested and sent to a concentration camp, where she died.
* Hans: A Dutch man who worked with the ten Booms to hide Jewish people. He was later arrested and executed by the Nazis.
* Bep Voskuijl: A young Dutch woman who helped the ten Boom family with their activities. She was later arrested and sent to a concentration camp, where she survived.
* Karl Rahm: A Nazi officer who was responsible for the arrests of the ten Boom family and many other Dutch people.