Haunted Harmony Mysteries: Key to the Castle

Name: Haunted Harmony Mysteries: Key to the Castle
Genre: Mystery, TV Movie
Released: 2026-05-30
Duration: 1 h 24 min
Rating: 7.2
Cast: Tamera Mowry-Housley, Marco Grazzini, Risteard Cooper, Adam Fergus, Julie Lamberton

Behind the scenes. Beyond the grave

Haunted Harmony Mysteries: Key to the Castle (2026)

1:24 (84 min)

Mystery, TV Movie

Canada, United States

7.2/10
298

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no scores

9.3/10
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7.1/10
290

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All about film

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Photo 6

Actors and characters

Watch film Haunted Harmony Mysteries: Key to the Castle — Sneak Peek - Haunted Harmony Mysteries: Buried at C - Starring Tamera Mowry-Housley

1:22

Movie poster "Haunted Harmony Mysteries: Key to the Castle"

Photo 6

Production

Front Street Pictures, Muse Entertainment, Treehouse Media

Release date

30 May 2026

Director

Linda-Lisa Hayter

Scenario

Kraig Wenman

Producer

Edwina Forkin

All team (20)

Actors

Tamera Mowry-Housley

Gethsemane Brown

Marco Grazzini

Griff

Risteard Cooper

Eamon

Adam Fergus

Inspector O'Reilly

Julie Lamberton

Siobhan

Frankie McCafferty

Coroner Craig

Luke Griffin

Kent Dempsey

Sarah Gallagher

Ciara Gordon

All actors and roles (10)

Short description

Gethsemane and Eamon must investigate the sudden death of a ghost hunter show host after the production crew arrives in town. They work to solve the murder so that the victim, now a spirit, can find peace and move on to the afterlife.

This mystery TV movie was a joint production between Canada and the United States, involving Hallmark Media, Front Street Pictures, Muse Entertainment, and Treehouse Media. It was directed by Linda-Lisa Hayter, following her previous work on projects such as Haunted Harmony Mysteries: Buried at C and Accused: The Karen Read Story. The screenplay was written by Kraig Wenman, and the film was produced by Edwina Forkin and Charles Cooper.

The cast features Tamera Mowry-Housley as Gethsemane Brown and Risteard Cooper as Eamon, supported by Marco Grazzini, Adam Fergus, Julie Lamberton, and Frankie McCafferty. The film has a runtime of 84 minutes and was released on May 30, 2026.