Steamboat Killie (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Steamboat Killie is a crime horror mystery set in a small town unsettled by a string of brutal murders. With every killing tied to a Mickey Mouse costume, local residents race to identify the person behind the mask before another attack takes place.

Steamboat Killie turns a familiar cartoon image into the central clue of a small-town murder mystery. The 2026 film follows a community shaken by brutal killings, each connected to a killer wearing a Mickey Mouse costume.

Directed by Julian Spencer and written by Scott Beaumont, the English-language independent production combines crime, horror and mystery elements. Its premise centers on the effort to uncover the masked culprit before the violence continues.

Steamboat Killie movie details

Story without spoilers

A small town is thrown into fear when a series of brutal murders begins. The crimes share one unsettling detail: the person responsible is dressed in a Mickey Mouse costume.

As the number of victims grows, a group of locals works to discover who is hiding behind the mask. Their investigation becomes a race against time, with the killer still able to strike again. The available synopsis establishes the central mystery without revealing the identity of the murderer or the outcome.

What to expect

The film is framed as a crime, horror and mystery story, combining a murder investigation with the disturbing image of a costumed killer. The cartoon-based disguise gives the premise a contrast between childhood familiarity and violent danger, while the small-town setting keeps the mystery focused on a local community.

Viewers can expect the story to revolve around identifying the person behind the costume and the escalating risk faced by the locals investigating the murders. Further details about its tone, visual style, pacing and ending are not provided.

Cast and creative team

The cast includes Luca Spencer as Mickey, Samuel Levi as Adam, Julian Spencer as Ethan, Jessica Spencer as Jessica, Owen Grady as Richard and Scott Beaumont as a police officer.

Julian Spencer directs the film, while Scott Beaumont is credited as its writer. Spencer also appears in the cast as Ethan, and Beaumont plays the police officer.

• Luca Spencer as Mickey
• Samuel Levi as Adam
• Julian Spencer as Ethan
• Jessica Spencer as Jessica
• Owen Grady as Richard
• Scott Beaumont as Police Officer

Release and production context

Steamboat Killie is listed as a 2026 release, with a release date of September 13, 2026. Its status is recorded as Released. The runtime and production countries are not supplied. The film is in English and was produced by Loft 14 Pictures.

It is categorized as Crime, Horror and Mystery, and is identified as an independent film based on a cartoon.

Production companies: Loft 14 Pictures

Reported production figures:
Budget $1,324

Movies Dock view

With its small-town setting, escalating murder case and instantly recognizable masked figure, Steamboat Killie is built around a clear central mystery. The available information keeps the focus on the search for the killer rather than revealing how the investigation ends.

Film data:
TMDB