Heather Graham Stars in Horror Film Based on True Story ‘Entity Within’

Supernatural horror film, Entity Within, is based on a true story, and Alliance Media Partners (AMP) will be taking the film to the Cannes Film Market, per Deadline. Set in 1974 suburban Los Angeles, a single mother is violently attacked by an unseen force in her home. With no one believing her, she turns to…

Caroline C Ryan

April 22, 2025

1–2 minutes

Supernatural horror film, Entity Within, is based on a true story, and Alliance Media Partners (AMP) will be taking the film to the Cannes Film Market, per Deadline.

Set in 1974 suburban Los Angeles, a single mother is violently attacked by an unseen force in her home. With no one believing her, she turns to a team of paranormal researchers, leading to one of the most documented and disturbing supernatural cases in U.S. history.

Nick Simon (The Girl in the Photographs) directs from a script by Thomas Fenton (Saw IV). It stars Heather Graham (Boogie Nights), Mimi Rogers (Bosch), Morgan Peter Brown (Absentia), and Kevin Keppy (Smile).

GVN Releasing is producing the film and is handling U.S. distribution.

Steven Schneider (Insidious, Paranormal Activity) produces alongside German Michael Torres (The Girl in the Pool).