Gretchen's father who moves the family to the resort to help construct a hotel. He sold their previous home and unknowingly stayed at the resort during his honeymoon, where he was exposed to the cuckoo species. He dies in the climax shootout.
Gretchen's grieving father who sold their old home and is involved in the resort project.
Married couple working on the resort project, unaware of the supernatural experiments.
Luis is an unwitting participant in König's resort operations and experiments.
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