The Host Unknown (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

The Host Unknown is a five-minute horror-thriller short centered on a young man watching a Zoom call between friends. As the conversation changes direction, the film introduces an unsettling mystery built around its unknown host. It was made as part of a 48-hour film festival.

The Host Unknown is a 2026 horror-thriller short with a compact five-minute runtime. Its premise begins with an ordinary-looking Zoom call between friends, observed by a young man from outside the conversation.

The film’s central tension comes from the call taking an unexpected turn. Made as part of a 48-hour film festival, it uses a brief setup to frame a mystery around the figure identified as The Host Unknown.

The Host Unknown movie details

Story without spoilers

A young man watches a Zoom call involving a group of friends. What starts as a remote conversation gradually becomes unsettling when events take a different direction. The supplied synopsis keeps the specific nature of that change undisclosed, preserving the film’s central mystery.

What to expect

The Host Unknown is positioned as a short-form horror and thriller story, so its premise is designed to establish tension quickly. The Zoom-call setting provides a confined digital environment, while the five-minute runtime suggests a tightly focused narrative rather than an expansive storyline. The 48-hour film festival production context also places the film within a rapid, short-film format.

Cast and creative team

Harry Sibson and Kangwoo Moon direct The Host Unknown. The screenplay is credited to Harry Sibson, Kangwoo Moon and Hudson Blyde. Nate Randall plays Nathan, Harry Sibson plays Donald, Hudson Blyde plays William, and Jonny Armstrong is credited as The Host Unknown.

• Nate Randall as Nathan
• Harry Sibson as Donald
• Hudson Blyde as William
• Jonny Armstrong as The Host Unknown

Release and production context

The Host Unknown was released on September 8, 2026. It is listed as a 2026 production with a runtime of five minutes. The supplied information identifies it as a horror-thriller short made as part of a 48-hour film festival. No country, spoken language or production company is specified.

Movies Dock view

With its brief runtime and focused video-call premise, The Host Unknown centers on the moment an everyday online interaction begins to feel wrong. Viewers looking for a concise horror-thriller setup may find the film’s unknown host and sudden shift in tone provide the main points of interest.

Film data:
TMDB