‘Haunted Harmony Mysteries: Key to the Castle’ Cast Guide: Who Stars In The New Addition To Hallmark’s Ghostly Mystery Franchise?
The article discusses the premiere of 'Haunted Harmony Mysteries: Key to the Castle,' the third installment in Hallmark's ghostly mystery franchise. It features Tamera Mowry-Housley as Gethsemane Brown, who navigates supernatural events in a haunted Irish home. The film includes familiar characters and introduces new elements, including a ghost hunter show and a murder mystery.
- ▪The film premieres tonight at 8 p.m. ET/PT on Hallmark Channel.
- ▪Tamera Mowry-Housley reprises her role as Gethsemane Brown, a music teacher in Ireland.
- ▪The plot revolves around solving the murder of a ghost hunter show host.
Opening excerpt (first ~120 words) tap to expand
Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Flipboard Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email Click to copy URL Copy ‘Haunted Harmony Mysteries: Key to the Castle’ Cast Guide: Who Stars In The New Addition To Hallmark’s Ghostly Mystery Franchise? By Alex Vena Published May 30, 2026, 12:00 p.m. ET More On: tamera mowry Stream It Or Skip It: ‘All’s Fair In Love And Mahjong’ On The Hallmark Channel, Where A Woman Finds Love And A Sense Of Purpose Via Mahjong ‘All’s Fair in Love and Mahjong’ Cast Guide: Who’s Who in Hallmark Channel’s New Movie? Tamera Mowry-Housley Says That Hallmark Channel Fans Are “More Open” To Hearing Diverse Stories “Than Ever”: “I Feel Very Blessed and…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Decider.
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