Haunted Harmony Mysteries: Prelude to a Wedding (2026): Cast

Prepared by Movies Dock Editorial

When musician Gethsemane is invited to perform at a wedding, the celebration takes a darker turn after a member of the bridal party dies. Alongside Eamon, she becomes involved in the investigation, with Griff also part of the cast in this 2026 mystery film.

Haunted Harmony Mysteries: Prelude to a Wedding places a wedding performance at the center of a new mystery. Gethsemane arrives to play at the event, but the occasion changes dramatically when a member of the bridal party dies.

The film follows Gethsemane and Eamon as they become involved in the case. With Tamera Mowry-Housley, Risteard Cooper and Marco Grazzini in the principal supplied cast, it is a 2026 mystery built around a celebration disrupted by death.

Haunted Harmony Mysteries: Prelude to a Wedding movie details

Story without spoilers

Gethsemane is invited to provide music at a wedding, an assignment that brings her into contact with the bridal party and the event’s guests. When one member of the bridal party dies, the wedding becomes the setting for a mystery.

Gethsemane and Eamon find themselves drawn into the circumstances surrounding the death. The supplied premise establishes the central investigation without revealing how the case develops or what conclusions may follow.

What to expect

The film’s mystery premise combines a wedding setting with a death among the bridal party. That setup suggests an investigation connected to a close-knit social gathering, while Gethsemane’s role as the invited performer gives the story its entry point.

The supplied genre information identifies the film as a mystery. Beyond its central setup and named characters, further details about the tone, structure, clues or resolution have not been provided.

Cast and creative team

Tamera Mowry-Housley plays Gethsemane, while Risteard Cooper plays Eamon. Marco Grazzini appears as Griff. No director or writer is listed in the supplied information.

• Tamera Mowry-Housley as Gethsemane
• Risteard Cooper as Eamon
• Marco Grazzini as Griff

Release and production context

Haunted Harmony Mysteries: Prelude to a Wedding is listed as a 2026 film with a release date of September 5, 2026. It is categorized as a mystery. The supplied metadata does not include a runtime, country of production, spoken language or production company.

Movies Dock view

With its wedding setting and bridal-party death, Haunted Harmony Mysteries: Prelude to a Wedding establishes a focused premise for a character-led mystery. The available information centers on Gethsemane and Eamon’s involvement in the case, while leaving the investigation’s details to the film itself.

Film data:
TMDB · IMDb