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Haunted Harmony Mysteries: Key to the Castle 2026 movie scene
Haunted Harmony Mysteries: Key to the Castle 2026 official movie poster

Haunted Harmony Mysteries: Key to the Castle (2026)

Behind the scenes. Beyond the grave

TMDB 9.31h 24mMysteryTV Movie
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Plot Summary

When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the brand-new spirit to cross-over.

Our Take

Expert, independent review by the HollyFlixHD Editorial Team

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Full Cast & Characters

Tamera Mowry-Housley as Gethsemane Brown in Haunted Harmony Mysteries: Key to the Castle 2026

Tamera Mowry-Housley

Gethsemane Brown

Marco Grazzini as Griff in Haunted Harmony Mysteries: Key to the Castle 2026

Marco Grazzini

Griff

Risteard Cooper as Eamon in Haunted Harmony Mysteries: Key to the Castle 2026

Risteard Cooper

Eamon

Adam Fergus as Inspector O'Reilly in Haunted Harmony Mysteries: Key to the Castle 2026

Adam Fergus

Inspector O'Reilly

Julie Lamberton as Siobhan in Haunted Harmony Mysteries: Key to the Castle 2026

Julie Lamberton

Siobhan

Frankie McCafferty as Coroner Craig in Haunted Harmony Mysteries: Key to the Castle 2026

Frankie McCafferty

Coroner Craig

Luke Griffin as Kent Dempsey in Haunted Harmony Mysteries: Key to the Castle 2026

Luke Griffin

Kent Dempsey

Sarah Gallagher as Ciara Gordon in Haunted Harmony Mysteries: Key to the Castle 2026

Sarah Gallagher

Ciara Gordon

Aidan Redmond as Ed James in Haunted Harmony Mysteries: Key to the Castle 2026

Aidan Redmond

Ed James

Ryan Murray as Zak in Haunted Harmony Mysteries: Key to the Castle 2026

Ryan Murray

Zak

Maria Oxley Boardman as Eliza in Haunted Harmony Mysteries: Key to the Castle 2026

Maria Oxley Boardman

Eliza

Conor Dan Ryan as Roj in Haunted Harmony Mysteries: Key to the Castle 2026

Conor Dan Ryan

Roj

Director & Crew

Linda-Lisa Hayter

Director

Official Trailer

Haunted Harmony Mysteries: Key to the Castle Trailer

Where to Watch Haunted Harmony Mysteries: Key to the Castle Online

You can currently stream Haunted Harmony Mysteries: Key to the Castle online or watch it in HD via the link below.

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Frequently Asked Questions

Where can I watch Haunted Harmony Mysteries: Key to the Castle online?

Haunted Harmony Mysteries: Key to the Castle (2026) is available to stream on various platforms. You can also watch it online via our Watch Online button.

What is the TMDB rating of Haunted Harmony Mysteries: Key to the Castle?

It has a TMDB rating of 9.3/10 based on 8 votes.

Who directed Haunted Harmony Mysteries: Key to the Castle?

Haunted Harmony Mysteries: Key to the Castle was directed by Linda-Lisa Hayter and released in 2026.

How long is Haunted Harmony Mysteries: Key to the Castle?

Haunted Harmony Mysteries: Key to the Castle has a runtime of 1 hours and 24 minutes.

Movie Details

Release Date
2026-05-30
Status
Released