- The Man Who Knew Too Much (1956)
PG | Thriller
- The Mackintosh Man (1974)
PG | Thriller
- Murder on the Orient Express (1974)
PG | Mystery
- Miss Willoughby and the Haunted Bookshop
PG | Adventure/Mystery
- Murder at the Lighthouse (2025)
NR | Thriller
- Murder Company (2024)
NR | Action/Historical drama
- The Mystery of a Hansom Cab (2013)
NR | Mystery
- Murder Runs in the Family (2023)
NR | Thriller
- My Mother Stole My Life (2024)
NR | Thriller
- My Amish Double Life
NR | Thriller
- Marie Galante (1934)
NR | Thriller
- My Child Has My Doctor's Face (2024)
NR | Thriller
- Murder in Nashville (2025)
NR | Thriller
- Morning Show Mysteries: A Murder in Mind
NR | Crime drama/Mystery
- My Husband's Other Wife
NR | Thriller
- Murder, Lies & Marriage (2025)
NR | Thriller
- Morning Show Mysteries: Countdown to Murder
NR | Mystery
- A Miracle on Christmas Lake (2016)
NR | Holiday/Mystery
- Morning Show Mysteries: Death by Design
NR | Mystery
- Murder at the Hotel (2025)
NR | Thriller
- Miss Pinkerton
NR | Mystery
- Medusa (2022)
NR | Horror/Thriller
- Murder Once Removed
NR | Mystery
- Maderazo
NR | Action/Thriller
- May The Devil Take You Too
NR | Horror/Thriller
- MadS (2024)
NR | Horror/Thriller
- Mistletoe Murders: The Ides of December (2025)
NR | Mystery
- Mother, May I? (2023)
NR | Horror/Thriller
- Murder on Maple Drive
NR | Thriller/Mystery
- Mommy's Deadly Con Artist
NR | Thriller
- Monte Carlo Nights
NR | Mystery
- Morning Show Mystery: Mortal Mishaps
NR | Mystery
- Miss Narca
NR | Action/Thriller
- My Husband's Killer Affair (2024)
NR | Thriller
- My Husband's Baby (2025)
NR | Drama/Thriller
- Murder at the Derby (2025)
NR | Thriller
- The Midnight Man (2018)
NR | Horror/Thriller
- My Family's Secret
NR | Thriller
- Morning Show Mysteries: Murder on the Menu
NR | Crime drama/Mystery
- Mentirosa
NR | Comedy/Thriller
- Midnighters (2017)
NR | Holiday/Horror
- Marshmallow (2025)
NR | Horror/Thriller
- Mystery Island: House Rules (2025)
NR | Adventure/Mystery
- Match, Meet, Murder (2025)
NR | Thriller
- My Mom Made Me Do It (2025)
NR | Thriller
- Missing (2025)
NR | Thriller
- Murder 101 (2006)
NR | Mystery
- My Only Fan
NR | Crime drama/Thriller
- Metamorphosis (2019)
NR | Horror/Thriller
- Mystery Road (2014)
NR | Crime drama/Thriller
- My Wife's Hidden Lover (2023)
NR | Thriller
- Murder at Highland Manor
NR | Thriller
- Mandy (2018)
NR | Horror/Thriller
- Mandrake
NR | Horror/Thriller
- Muzzle (2023)
NR | Crime drama/Action
- Murder at the Country Club (2023)
NR | Thriller
- McVeigh (2024)
NR | Drama/Thriller
- Mommy's Stolen Memories
NR | Thriller
- Mansión del Terror
NR | Thriller
- Murder Below Deck
NR | Mystery
- Midas (2024)
NR | Crime drama/Action
- Maternal Secrets (2020)
NR | Thriller
- Mistletoe Murders: Cold War (2025)
NR | Mystery
- My Fatal Social Following (2025)
NR | Thriller
- My Daughter's Deadly Roommates
NR | Thriller
- Mommy Meanest (2024)
NR | Thriller
- My Professor's Guide to Murder
NR | Thriller
- Murder for Mortgage: Secrets on Maple Street
NR | Thriller
- Mystery Island: Winner Takes All (2025)
NR | Mystery
- My Little Girl Is Gone (2018)
NR | Thriller
- Memories of a Murder (2020)
NR | Thriller
- The Mystery of Mr E
NR | Drama/Mystery
- Murder by Television (1935)
NR | Mystery
- The Midnight After (2016)
NR | Comedy/Thriller
- Masquerade (1965)
NR | Comedy/Thriller
- Malicious Mind Games
NR | Thriller
- Mistletoe Murders: 'Twas the Fight Before Christmas (2025)
NR | Holiday/Mystery
- Mosquito State
NR | Drama/Horror
- More Bitter Than Death: An Emma Fielding Mystery
NR | Mystery
- Mastemah
NR | Drama/Horror