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Movies Like Who Knew?
Find movies like Who Knew? (2026) using TMDB similarity plus Movie Rankings community context. Our top current pick is The Amateur. Browse 18 related titles with direct links to rankings, cast pages, and matchup data.
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The Amateur
Community rank #423 · 2025
After his life is turned upside down when his wife is killed in a London terrorist attack, a brilliant but introverted CIA decoder takes matters into his own hands when his supervisors refuse to take action.
Arsenic and Old Lace
1944
Mortimer Brewster, a newspaper drama critic, playwright, and author known for his diatribes against marriage, suddenly falls in love and gets married; but when he makes a quick trip home to tell his two maiden aunts, he finds out his aunts' hobby - killing lonely old men and burying them in the cellar!
Killer Bean Forever
2008
When things go bad in Beantown, top assassin Killer Bean is called to clean-up the mess. Detective Cromwell finds himself in the middle between Killer Bean and mob boss Cappuccino.
Psych 2: Lassie Come Home
2020
After Santa Barbara Police Chief Carlton Lassiter is ambushed and left for dead, Shawn and Gus return to help him and find themselves embroiled in a case involving the personal, the professional – and even the supernatural.
Psych 3: This Is Gus
2021
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.
Indemnity
2022
An ex-fireman with PTSD goes on the run when accused of a crime he doesn't even remember committing, leading him down a rabbit hole of conspiracy to the highest degree.
Hostage House
2021
A realtor and her daughter are taken hostage by armed robbers.
No Name on the Bullet
1959
When hired killer John Gant rides into Lordsburg, the town's folk become paranoid as each leading citizen has enemies capable of using the services of a professional killer for personal revenge.
The Family Plan 2
2025
Now that Dan's assassin days are behind him, all he wants for Christmas is quality time with his kids. But when he learns his daughter has her own plans, he books a family trip to London—putting them all in the crosshairs of an unexpected enemy.
The Blue Gardenia
1953
Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.
Kept Woman
2015
Jessica and her fiancé Evan just moved from the city into their dream home on a quiet suburban street. Soon after, Jessica catches her seemingly friendly new neighbor, Simon, in a strange lie and can't let her suspicions rest. The danger escalates when Simon lures her inside his home and imprisons Jessica in his secret bunker, meticulously decorated in the idealized style of the 1950's.
The Drowning Pool
1975
Harper is brought to Louisiana to investigate an attempted blackmail scheme. He soon finds out that it involves an old flame of his and her daughter. He eventually finds himself caught in a power struggle between the matriarch of the family and a greedy oil baron, who wants their property. Poor Harper! Things are not as straight-forward as they initially appeared.
Nick of Time
1995
An ordinary man is suddenly forced into a plot to kill a politician in exchange for his kidnapped daughter's freedom.
Real Men
1987
A womanizing CIA agent and an insecure insurance agent are paired together to make sure a deal goes through with aliens for the future of mankind.
Black Widow
1987
Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.
Overdrive
2017
Master car thieves square off against French gangsters in the South of France with money, women and lives all on the line.
Strange but True
2019
A woman surprises the family of her deceased boyfriend by telling them she's pregnant with his child.
Gotcha!
1985
A student on a trip to France is tricked into smuggling secrets across the Iron Curtain by a sexy spy.
What are the best movies like Who Knew??
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