IMDbPro has updated to show The Devil All the Time is officially filming. Yesterday we tweeted an excerpt from abc3340 updating some details on filming in Alabama. Below is slightly more detailed :

Some of Hollywood’s biggest stars are coming to Calhoun County as production on a new film is set to begin in a few weeks.
With a film crew in town, local businesses are confident they will benefit.
Downtown Anniston and Jacksonville will be the backdrop for a new film, “The Devil All the Time.”

…
“We’ve been waiting a long time for a big project like this,” Pete Conroy, Director of Longleaf Studios said.

Longleaf Studios is set up in Jacksonville. Conroy says filming should begin in a few weeks. “They’ve already been in town doing some sprucing up of buildings where they’ll be shooting,” Conroy said.

Conroy says Birmingham, Mobile, and Huntsville are popular locations in the state for filmmakers.

Bring on the spider eating preacher. Below is IMDbPro’s current list of cast (as at 20 February 2019):