Movies Like Haunted Harmony Mysteries: Key to the Castle

If you liked Haunted Harmony Mysteries: Key to the Castle (2026), a mystery and tv movie movie directed by Linda-Lisa Hayter, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Aurora Teagarden Mysteries: Haunted By Murder (2022)
★ 7/10Also tv movie and mystery
A murder investigation is reignited in a house that is considered haunted by the Lawrenceton locals and where years ago Aurora and Sally, as teenagers, discovered a body.
2
Crossword Mysteries: Riddle Me Dead (2021)
★ 7.7/10Also tv movie and mystery
Tess gets invited to be a part of a popular game show, but when the host is unexpectedly murdered, she and Detective Logan O'Connor seek to uncover who was behind it all.
3
Crossword Mysteries: Proposing Murder (2019)
★ 7.5/10Also tv movie and mystery
When an old friend of New York Sentinel Crosswords editor Tess Harper is found murdered on the very day her puzzle includes his proposal of marriage, Tess unofficially teams up with Detective Logan O’Connor to find the…
4
Aurora Teagarden Mysteries: How to Con A Con (2021)
★ 7.2/10Also mystery and tv movie
When Aida Teagarden's real estate client is found murdered, her sleuthing daughter Aurora sets out with her fiancé Nick and the Real Murders Club to solve the murder.
5
The Night Strangler (1973)
★ 6.7/10Also tv movie and mystery
After being run out of Las Vegas, reporter Carl Kolchak heads for Seattle and another reporting job with the local paper. It's not long before he’s on the trail of another string of bizarre murders. It seems that every…
6
The Night Stalker (1972)
★ 6.9/10Also mystery and tv movie
Wisecracking reporter Carl Kolchak investigates a string of murders in Las Vegas and suspects the culprit is a vampire. His editor thinks he's crazy and the police think he's a nuisance, so Kolchak takes matters into…
7
Riddled with Deceit: A Martha's Vineyard Mystery (2020)
★ 7.4/10Also mystery and tv movie
Former detective Jeff Jackson teams up with Dr. Zee Madieras to track down their friend's missing emerald brooch, a thief, and also... a murderer.
8
Annabelle Hooper and the Ghosts of Nantucket (2016)
★ 6/10Also tv movie and mystery
Vacationing on historic Nantucket Island, a teenage mystery writer and her friends must outwit two scheming thieves to solve the secret behind a legendary ghost story.
9
A Beautiful Place to Die: A Martha's Vineyard Mystery (2020)
★ 7.7/10Also mystery and tv movie
After being forced into early retirement, former detective Jeff Jackson returns to a quiet life on Martha's Vineyard. Quiet, at least, until a body washes up and he's drawn back into crime solving.
10
Aurora Teagarden Mysteries: Reunited and It Feels So Deadly (2020)
★ 7.3/10Also mystery and tv movie
Aurora's high school reunion turns deadly when a body is found in the hotel pool. Aurora and her Real Murders Club help investigate which classmate was most likely to kill.
11
Hailey Dean Mysteries: Dating Is Murder (2017)
★ 7.1/10Also mystery and tv movie
Attorney turned therapist Hailey Dean is pulled into another investigation when a popular new dating app links multiple missing persons cases from around the city. Reuniting with her old team, Hailey discovers the…
12
Framed for Murder: A Fixer Upper Mystery (2017)
★ 6.6/10Also tv movie and mystery
In the small resort town of Lighthouse Cove, everyone knows that the best man for the job is a woman. And that woman is Shannon Hughes, owner of a construction company and an expert in Victorian home restoration and…
13
Garage Sale Mystery: The Deadly Room (2015)
★ 6.3/10Also tv movie and mystery
A sleuthing garage sale maven suspects foul play when her friend dies in an old house with a cursed reputation. Even though police evidence - and even webcam footage of the death – point to natural causes – this…
14
Site Unseen: An Emma Fielding Mystery (2017)
★ 6.8/10Also mystery and tv movie
Brilliant, dedicated, and driven, archaeologist Emma Fielding is trying to unearth evidence of a 17th century coastal Maine settlement that predates Jamestown, one of the most significant archaeological finds in years…
15
Hailey Dean Mysteries: Murder, With Love (2016)
★ 7.3/10Also tv movie and mystery
Former prosecutor-turned-therapist Hailey Dean is a powerhouse, Mensa bright, and acutely observant. During a tragic week, one of her patients loses her parents to separate fatal accidents along with millions of…
16
Aurora Teagarden Mysteries: Heist and Seek (2020)
★ 7.4/10Also mystery and tv movie
When a priceless crown is stolen during a benefit gala held by the Lawrenceton library, Aurora and the Real Murders Club must investigate who would kill to get their hands on it.
17
Aurora Teagarden Mysteries: Til Death Do Us Part (2021)
★ 7.4/10Also tv movie and mystery
Just days before Aurora’s wedding, a body is discovered, and she fears her father may be a suspect. She and Nick race to solve the cold case before they walk down the aisle.
18
Miss Marple: The Murder at the Vicarage (1986)
★ 6.7/10Also mystery and tv movie
Faced with two false confessions and numerous suspects after a despised civil magistrate is found shot in the local vicarage, Detective Inspector Slack reluctantly accepts help from Miss Marple.
19
Psych 3: This Is Gus (2021)
★ 6.9/10Also mystery and tv movie
In preparation for a shotgun wedding before the birth of Baby Guster, Shawn and Gus go rogue in an attempt to track down Selene’s estranged husband, as Lassiter grapples with the future of his career.
20
Last Scene Alive: An Aurora Teagarden Mystery (2018)
★ 7.2/10Also mystery and tv movie
There is excitement in the air when a Hollywood crew comes to Lawrenceton to film a movie about the town’s sleuthy librarian, Aurora Teagarden. However, when the film’s leading lady is found murdered in her dressing…