Fans of horror cinema can mark their calendars: Lockbox, a highly anticipated supernatural thriller, is set to hit limited US theaters on July 3, 2026. This chilling film revolves around a young woman who returns to her rural hometown to help her traumatized cousin, who may be harboring dark secrets linked to otherworldly forces.
Quick answer
- Release Date: July 3, 2026 (limited theaters).
- Starring: Carla Gugino, Lou Taylor Pucci, and Katharine Isabella.
- Director: Daniel Stamm.
- Plot: A woman defends her cousin from a mysterious entity.
- Trailer: Available now on YouTube.
What is Lockbox about?
Lockbox, formerly known as Winthrop, explores the themes of trauma and possession in its narrative. The story follows Ellen, who seeks solace in her hometown after the death of her mother. In a twist of fate, she finds herself caring for her enigmatic cousin, Winthrop, who possesses an unsettling connection to dark forces. As supernatural occurrences begin to escalate, Ellen is compelled to protect Winthrop from a looming, malevolent entity.
Who is in the cast of Lockbox?
The film boasts a talented cast led by the renowned Carla Gugino, known for her compelling performances in both film and television. Joining her are Lou Taylor Pucci and Katharine Isabella, who add depth to the unsettling dynamics of the film.
Is there a trailer for Lockbox?
Yes, the official trailer for Lockbox has been released and is available for viewing on YouTube. This trailer showcases the eerie visuals and tension that the film is poised to deliver.
Where can you watch Lockbox?
Lockbox will be screened in limited US theaters beginning July 3, 2026. Further details about wider release schedules or streaming options have yet to be confirmed.
What should fans expect?
Fans of horror are in for a treat with Lockbox, which promises to combine emotional depth with classic horror elements. Directed by Daniel Stamm—known for his work in the horror genre—this film delves into the generational trauma that festers over time, wrapped in a supernatural narrative that lingers long after the credits roll. The anticipation surrounding it suggests a film that might resonate well beyond its initial release.
For those keen on catching Lockbox in theaters, mark your calendars for this thrilling addition to the supernatural horror genre.
For more about the film, you can check the details from the source material here.

