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Trailer for H.P. Lovecraft adaptation Unspeakable: Beyond the Wall of Sleep starring Edward Furlong

March 1, 2025 by Amie Cranswick

Breaking Glass Pictures has shared a poster and trailer for Unspeakable: Beyond the Wall of Sleep, the final chapter in writer-director Chad Ferrin’s Lovecraftian trilogy.

The sci-fi horror follows a renowned oneirologist (Edward Furlong), as he is called to Arkham Asylum to study a disturbing case of a patient with a split personality, where he unknowingly opens a portal to a malevolent alien entity.

The cast includes Edward Furlong, Robert Miano, Susan Priver, Bai Ling, Ginger Lynn, Lew Temple, Steve Railsback, and Cyril O’Reilly. Watch the trailer below…

Inspired by H.P. Lovecraft’s terrifying short story, the film follows Ambrose London (Furlong), a world-renowned oneirologist summoned to Arkham Asylum to investigate a deeply disturbing case—a man possessed by a 122-year-old colonial peasant. But when Ambrose’s “Dream Machine” accidentally opens a portal to an alien entity hellbent on world annihilation, all hell breaks loose in a twisted, nightmarish descent into madness.

Unspeakable: Beyond the Wall of Sleep is set for release on March 4th.

 

Filed Under: Amie Cranswick, Movies, News, Top Stories, Trailers Tagged With: Bai Ling, Chad Ferrin, Cyril O’Reilly, Edward Furlong, Ginger Lynn, Lew Temple, Robert Miano, Steve Railsback, Susan Priver, Unspeakable: Beyond the Wall of Slee

About Amie Cranswick

Amie Cranswick has been part of Flickering Myth’s editorial and management team for over a decade. She has a background in publishing and copyediting and has served as Editor-in-Chief of FlickeringMyth.com since 2023.

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