Jared Harris, Amanda and Michelle Babin and Rumer Willis join the previously announced cast of Thomas Dekker, Elizabeth Rice, and Adam Goldberg.
The story centres on a small ultra-religious community where residents start to die mysteriously and a young girl dreams of seeing the outside world.
Brad Keene wrote the screenplay. Chris Gibbin and Adrian Butchart are producing and John Moshay and Bumble Ward serve as executive producers.
Papamichael, a cinematographer whose credits include The Pursuit Of Happyness, Sideways, Walk The Line, and the upcoming 3:10 To Yuma, previously directed the thriller Dark Side of Genius.
The project is being independently financed through a European private equity fund and filming is expected to last 22 days.