What we know
Haunted Harmony Mysteries: Key to the Castle (2026)
It shares its release window with Backrooms, so expect the two fanbases to be reacting side by side.
Mark it: streaming from May 30, 2026.
Reactr / Trailer Reactions / Haunted Harmony Mysteries: Key to the Castle
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Streaming Release · May 30, 2026
Haunted Harmony Mysteries: Key to the Castle
Trailer Reactions
Mystery · TV Movie
Haunted Harmony Mysteries series
Behind the scenes. Beyond the grave
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.
Free · no editing · camera or voice only · the clip is yours to post
The Trailer
The official Haunted Harmony Mysteries: Key to the Castle trailer, right here
Dropped October 11, 2025
Who’s making it
The history behind Haunted Harmony Mysteries: Key to the Castle
The film comes from Front Street Pictures, Muse Entertainment and Treehouse Media. Linda-Lisa Hayter is in the director’s chair, with writing credits for Kraig Wenman. It is the latest entry in the Haunted Harmony Mysteries series, which means built-in expectations and a fanbase that will have opinions from the first frame. The finished film runs 1 hour 24 minutes.
Faces to watch
Who you’ll see in the trailer
On screen, it is Tamera Mowry-Housley, Marco Grazzini and Risteard Cooper carrying the story. Tamera Mowry-Housley plays Gethsemane Brown.
Tamera Mowry-Housley
as Gethsemane Brown
Marco Grazzini
as Griff
Risteard Cooper
as Eamon
Adam Fergus
as Inspector O'Reilly
Julie Lamberton
as Siobhan
Frankie McCafferty
as Coroner Craig
Luke Griffin
as Kent Dempsey
Sarah Gallagher
as Ciara Gordon
Why this one is worth it
This trailer was made to be reacted to
Made for a smaller screen, but the reaction still deserves the real one. Record it from the couch.
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Reactions on Reactr
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Haunted Harmony Mysteries: Key to the Castle: quick answers
How do I make my own Haunted Harmony Mysteries: Key to the Castle reaction video?
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When does Haunted Harmony Mysteries: Key to the Castle come out?
Haunted Harmony Mysteries: Key to the Castle is scheduled to premiere on streaming on May 30, 2026. Dates can shift, so check back for updates.
Who stars in Haunted Harmony Mysteries: Key to the Castle?
Tamera Mowry-Housley, Marco Grazzini, Risteard Cooper, Adam Fergus and Julie Lamberton lead the cast, directed by Linda-Lisa Hayter.
Is Reactr free?
Yes. Recording reaction clips on Reactr is free, with no paywall on the finished clip. You own your clip and can post it to TikTok, Reels, Shorts, or anywhere else. Reactr makes money from studios and sponsors, not from creators.
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