“The White Lotus” actress Brittany O’Grady has joined the cast of the high-concept horror film Monitor.

Writing-directing duo Ryan Polly and Matt Black make their feature debut based on their short film of the same name, which you can watch below.

When a group of social media moderators refuse to publish a horrifying video, a demonic creature starts following them across every screen in their lives. Feeding off fear, the creature hunts them down one by one and attacks until it gets what it wants… to be let out beyond the screen.

Production is set to begin on March 10 with Philip Lozano serving as cinematographer.

Marty Bowen, Wyck Godfrey, and John Fischer of Temple Hill Entertainment — the team behind Smile and Smile 2 — are producing alongside Nostromo Pictures’ Adrián Guerra (Buried). Protagonist Pictures’ Dave Bishop and George Hamilton executive produce.

“We’re delighted to see cameras roll on this smart and...