Most Similar Movies to Inner Sanctum (1948)
If you are looking for movies like Inner Sanctum (1948), you might like movies tagged with keyword : mystery, crime, film noir, murder, detective, psychological thriller, secrets, betrayal, conspiracy, deduction, lies, dangerous liaisons, mind games, hidden identity, revenge, darkness, fate, deception, tension, enigma .
The Suspect (1944), Nightmare Street (1998), Postmark for Danger (1955), The Unseen (1945), Let the Devil Wear Black (1999), Killer Reputation (2019), Stranger in the House (2016) ... Let's take a look at the following list...

The Suspect (1944)
Bachelor Harry Quincey, head designer in a small-town cloth factory, lives with his selfish sisters, glamorous hypochondriac Lettie and querulous widow Hester. His developing relationship with new colleague Deborah Brown promises happiness at last...thwarted by passive, then increasingly active opposition from one sister. Will Harry resort to desperate measures?
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Nightmare Street (1998)
Joanna Burke (Sherilyn Fenn) courageously rescues her daughter from being hit by a speeding automobile, only to be hit by the truck herself. She later regains consciousness in what seems to be an alternate universe. There she learns she never had a daughter, another family lives in her home and everyone thinks she's Sarah Randolph, a woman suspected of murdering a young boy. Now, with only a caring Dr. Matt Westbrook (Thomas Gibson) on her side, Joanna desperately searches for the truth.
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Postmark for Danger (1955)
A woman's painted portrait and a post card with a sketch of a woman's hand holding a Chianti bottle are the main clues used by the Scotland Yard to solve a string of murders connected to a diamond-smuggling ring.
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The Unseen (1945)
A secretive widower hires a governess for his children, a willful boy and impressionable girl. Strange occurrences and the governess's curiosity lead her to unlock the secrets of the mysterious and uninhabited brownstone next door.
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Let the Devil Wear Black (1999)
In this updated version of Shakespeare's Hamlet, a young man comes face-to-face with personal treachery after suspecting that his father may have been murdered.
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Killer Reputation (2019)
A public relations maven takes pride in her low profile and reputation. However, she risks both to help a fading action star, who is also her college sweetheart, after he is accused of killing his ex-wife.
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Stranger in the House (2016)
Eve has married the man of her dreams but when they return to live in the house willed to him by his first wife who died under horrific circumstances, it becomes a waking nightmare as Eve falls into a spiral of suspicion and madness.
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The Detective (1954)
Works of art are disappearing, stolen by a master thief, a master of disguise. Father Brown has two goals: to catch the thief and to save his soul.
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Shattered (1991)
After a horrific car wreck leaves him an amnesiac, a man slowly begins to unravel his shocking past.
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Perfect Strangers (2003)
Melanie (Rachael Blake), an attractive single girl, is out on the town with her girlfriends when she meets a good-looking and intriguing man (Sam Neill) who takes an immediate interest in her. She agrees to leave with him and accompanies him to his boat, which takes off for the remote island on which he lives. Slowly realizing she has been kidnapped, Melanie struggles to maintain her composure as she interacts with her captor -- to whom she still feels a strange, reluctant attraction.
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The Girl in Black Stockings (1957)
A party girl is murdered, and everyone at a Utah motel is a suspect.
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Shadow of Fear (2004)
When a young man accidentally kills someone, he is plunged into a rich man's world of blackmail, betrayal, adultery and ...murder.
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In the Shadows (2001)
A hitman, sent to kill a veteran Hollywood stuntman, falls in love with the target's daughter, and decides to become a stuntman himself.
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Soft Deceit (1994)
An attractive cop is assigned the task of tracing millions of dollars of stolen church funds. The thief, is locked up in prison, and the plan is to break him out, and follow him to the hidden money. When she falls for the convict, things get complicated. The ex-boyfriend cop is jealous and suspicious.
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Pandora's Box (2002)
Mia DuBois (Calhoun) is a walking cliché--a successful therapist with an unsuccessful marriage. Her husband, Victor (St. John), is more interested in working on his laptop than on her. So she is very receptive to hearing about the wild sex life that her new client Tammy (Wilson) and Tammy's husband enjoyed, before he was murdered. Mia even accepts an invitation from T...Read all
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An Occasional Hell (1996)
A former policeman-turned college professor of forensics, is asked by a widow to solve the murder of her unfaithful husband and the disappearance of his mistress who may have been linked to some drug dealers.
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The Adventuress (1946)
A British agent (Trevor Howard) follows a young Irishwoman (Deborah Kerr) duped by a Nazi spy (Raymond Huntley).
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The Art of Murder (1999)
An abused wife (Joanna Pacula) turns to another man and becomes the victim of a blackmailer.
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