The movie co-stars "Lord of the Rings" actor Marton Csokas, and is directed by Eric D. Howell.
"Oh, man, the castle we filmed in was scary. I don't believe in ghosts but if there was anything to make me question that, it was shooting there at night," Clarke told USA Today.
"[The house's hold on Verena is] mixed in with all of the loneliness she has felt in her life as a nurse who is always moving from one family to another," she added. "It seems that happiness is only a family away."
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