Adrienne Barbeau has been tapped for the lead role in the thriller “Unholy,” for Sky Whisper Prods.

Barbeau will star opposite Nicholas Brendon as a grieving mother who uncovers a government conspiracy involving Nazism and witchcraft. Pic will be directed by Daryl Goldberg and exec produced by Joshua Blumenfeld and Samuel Stephen Freeman, who also scripted.

Lensing is under way in New Jersey and Queens, N.Y.

Barbeau plays snake charmer Ruthie on HBO’s “Carnivale.”

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