Humans:
* Hank & Catherine & Josh & Becky & Andy & Sarah & David & Beth & Daniel & Michelle & David & Beth & Nancy & David & Beth & Tom - The family at the center of the story.
* Reverend Peter & Esther & Peter & Esther & Peter & Esther & Peter & Esther & Peter & Esther & Peter & Esther & Peter & Esther - The minister and his wife.
* Alice & Sharon & Susan - The women who start the prayer group.
* Dr. Robert & Eleanor & Robert & Eleanor & Robert & Eleanor & Robert & Eleanor & Robert & Eleanor & Robert & Eleanor & Robert & Eleanor - The doctor and his wife who are unbelievers but get involved in the spiritual battle.
* Sheriff & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy & Officer & Deputy - The local law enforcement who encounter the supernatural.
Spiritual Entities:
* The Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel & Angel - The angels who are fighting for good.
* The Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon & Demon - The demons who are trying to take over the town.
* The Prince of Darkness - The leader of the demons.
This list is not exhaustive, but it includes the main characters and the key spiritual entities in the story.
It is important to note that there are many other characters who appear in the book, but they are not as central to the plot as the ones listed above. However, all of these characters play a role in the story and contribute to the overall message of the book.