Fiona Dourif Joins David Harbour For the ‘Head Full of Ghosts’ Film Adaptation

April 10, 2026

Written by Kelli Marchman McNeely

Kelli Marchman McNeely is the owner of HorrorFuel.com. She is an Executive Producer of "13 Slays Till Christmas" which is out on Digital and DVD and now streaming on Tubi. She has several other films in the works. Kelli is an animal lover and a true horror addict since the age of 9 when she saw Friday the 13th. Email: horrorfuelinfo@gmail.com

Move over, Kardashians—a new family is coming to the small screen, and their “drama” involves a potential demonic possession. Lionsgate has officially snagged the global rights to the feature film adaptation of Paul Tremblay’s award-winning novel A Head Full of Ghosts, and the cast is looking absolutely lethal.

A Descent Into Ratings

The story follows a suburban family. Their lives are dismantled when their teenage daughter, Marjorie, begins showing signs of a violent mental breakdown. Naturally, because it’s the 21st century, the family agrees to let a production crew turn their suffering into a hit reality TV show.

Fast-forward fifteen years. The younger sister, Merry, is finally ready to sit down with a journalist and unpack the “dark past” of her childhood.

A Powerhouse Lineup

Lionsgate isn’t playing around with the talent for this one. Fiona Dourif—who has spent years dodging Chucky and crushing her role in HBO Max’s The Pitt—joins an impressive roster. David Harbour (Stranger Things), Esmé Creed-Miles (The Sandman, Hollie Hill-Pearson (as young Merry) star alongside Bodhi Rae Breathnach. Rebecca Hall (Godzilla vs. Kong) rounds out the cast.

Behind the Lens: The Masters of Dread

If you’ve seen Goodnight Mommy or The Lodge, you know that directors Veronika Franz and Severin Fiala don’t do “jump scares”—they do psychological obliteration. The duo is writing and directing the adaptation, promising a film that focuses more on atmospheric rot than flashy CGI.

The “Iron” Touch

Adding another layer of prestige to the project, Robert Downey Jr. and Susan Downey are producing under their Team Downey banner. With their backing and Lionsgate’s distribution power, this is shaping up to be the thinking person’s horror event of 2026.

Paul Tremblay’s novel Head Full of Ghosts is a modern masterpiece of ambiguity. And with this cast, we’re likely to get a film that sticks in our heads long after the credits roll. Maybe think twice before signing that reality TV contract. Possession, reality TV, and David Harbour in “Dad Mode”? We’re sold.

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