When a nobleman is threatened by a family curse on his newly inherited estate, detective Sherlock Holmes is hired to investigate.

Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.

A disgraced merchant marine officer elects to stay aboard his sinking cargo ship in order to prove the vessel was deliberately scuttled and, as a result, vindicate his good name.

In London, a diplomat accidentally becomes involved in the death of a British agent who's after a spy ring that covets British military secrets.

A California commercial pilot sees a telecast in London of an interview with Sir Mark Lodden at his home. The Canadian is convinced that the baronet is a fraud, and he is actually a look-alike actor named Frank Welney.

American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.

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.

Private eye Edward Mercer travels to Venice to locate a man due a reward for his aid in the war. Shortly after arriving, he becomes the prime suspect in the murder of his local contact. In his quest to clear his name, Mercer uncovers a conspiracy. Even the local magistrate seems to be working against him, and Mercer begins to suspect the man he came to find is behind it all.

An Englishman in France unwittingly is placed into the identity, and steps into the vacated life, of a look-alike French nobleman.

Alec Graham is sentenced to death for the murder of his girlfriend Jennie, with whom he spent a weekend at the English country home of the parents of his friend Brian Stanford. Alec’s father, David Graham, a not-so-successful writer and alcoholic who has neglected his son in the past, flies in from Canada to visit his son on death row. David then goes on a quest to try and clear his son’s name while battling “the bottle.”

Two Scotland Yard detectives investigate the murder of a young woman of mixed race who had been passing for white. As they interview a spate of suspects -- including the girl's white boyfriend and his disapproving parents -- the detectives wade through a stubbornly entrenched sludge of racism and bigotry.

British Air Marshal Hardie is attending a party in Hong Kong when he hears of a dream, told by a pilot, in which Hardie's flight to Tokyo on a small Dakota propeller plane crashes on a Japanese beach. Hardie dismisses the dream as pure fantasy, but while he is flying to Tokyo the next day, circumstances start changing to align with the pilot's vivid vision, and it looks like the dream disaster may become a reality.

While working in England, an American surgeon Dr. John Marlowe is invited to Vosnia (a fictitious East-European country) to receive an award and demonstrate his life-saving surgery. Unwittingly caught in the middle of a dangerous and corrupt series of political events, Marlowe then becomes the object of a shoot-to-kill, vicious pursuit. Fleeing, he seeks help from an English-speaking actress, Lisa Robinson, and the two attempt to escape across the treacherous mountains of Vosnia.

Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.

An underhand solicitor receives threatening notes, and the police are called in to protect him.

After leaving the British Secret Service, David Somers finds work catalouging butterflies at the country house of Nicholas and Jess Fenton. After the murder of a local gamekeeper, suspicion falls on their niece, Sophie Malraux. Somers helps Sophie to escape arrest and they go on the run together.

One time members of a resistance group come together every year to remember their dead leader, betrayed to and executed by the Nazis. When it seems that they might finally know the name of the traitor - and that he or she comes from within their own unit - their annual gathering becomes a deadly trial...

When a wealthy business man is found dead reporter Philip Trent is sent to investigate. Against the police conclusions, he suspects the assumed suicide is really a murder, and becomes highly interested in the young widow and the dead man's private secretary.

An upper-crust family dinner is interrupted by a police inspector who brings news that a girl known to everyone present has died in suspicious circumstances. It seems that any or all of them could have had a hand in her death. But who is the mysterious Inspector and what can he want of them?

Unable to recall the past 24 hours, a British bank clerk is the prime suspect for a robbery/murder.

Agnes "Astra" Huston, a fortune teller at a run-down fair, is found strangled in her bedroom. As the police question five suspects, their interactions with her are shown in flashbacks from their point of view.

On the French Riviera, movie producer Max Poulton is on location shooting a film starring his lover, Gina Bertini. But when the rueful Max ends his fling with Gina to return to his loyal wife, Carol, the jilted actress threatens to reveal details of their affair to Carol. Later, at a party at Max's villa, investigator Carliss arrives with news that Gina has been killed and that Max is a murderer suspect.

A mysterious young man settles in a rural English town and immediately starts making a good impression. Before long he has insinuated himself into local life, is married and is serving on the board of the local hospital. Everything seems to be going well for him until a newly appointed consultant psychiatrist shows up and starts asking some probing questions.

An English country lawyer weighs the case of a schoolgirl who claims she was kidnapped by two women.

A serial killer terrorizes London. Each victim is found with a telegram signed "The Marquis." There seems to be no other common thread between the victims, and Scotland Yard is baffled. Novelist and amateur sleuth, Paul Temple, is warned to stay away from the case, but he and his glamorous wife Steve can never refuse a good mystery.

U.S. Embassy employee Lee Cochrane and his wife, Sue, receive a shock when they discover that their 18-month-old son, Simon, has disappeared in London. He was last seen with their nanny, and the couple seemingly have no leads that might help police Detective Craig in his investigation. The media sensationalizes the incident, causing an unnecessary distraction as the couple prepares to confront the culprit face-to-face.

Vicky Barton and her brother Johnny travel from Naples to visit the 1889 Paris Exhibition. They both sleep in seperate rooms in their hotel. When the she gets up in the morning she finds her brother and his room have disappeared and no one will even acknowledge that he was ever there. Now Vicky must find out what exactly happened to her brother.

A woman travels to England to attend her parents' funeral. She is told by officials that they died of natural causes together, but she doesn't buy it. She comes to suspect that the nurse who took care of her parents was involved in their deaths, but since the nurse is well thought of in the town, no one believes her. What she doesn't know is that her parents' killer has selected her as the next victim

A researcher investigating a notorious serial killer who was hanged 20 years earlier seemingly becomes possessed by the long dead strangler.

A serial killer is murdering women in the Whitechapel district of London. An American policeman is brought in to help Scotland Yard solve the case.

Madeleine's middle-class family cannot understand why she puts off marrying a respectable young man, as they know nothing about her long-term affair with a Frenchman.

Dutch painter Jan-Van Rooyer hurries to keep a rendezvous with Jacqueline Cousteau, an elegant, sophisticated Frenchwoman, slightly his elder, whose relationship with him had turned from art student into one of love trysts. He arrives and is confronted by Detective Police Inspector Morgan who accuses him of having murdered Jacqueline. Morgan listens sceptically to the dazed denials of Van Rooyer as he tells the story of his relationship with the murdered woman. Morgan, after hearing the story, realizes that the mystery has deepened, and it becomes more complicated when the Assistant Commissioner, Sir Brian Lewis, explains that Jacqueline was not married but was being kept by Sir Howard Fenton, a high-ranking diplomat whose names must be kept out of the case.

Film producer Reggie Wilson is worried he may have a dual personality. Fleeing Hollywood, he finds himself in England and married to the studio boss's daughter after which he quickly rises through the studio ranks. Then the letters begin to appear from a lovesick American actress who wants to know why he has thrown her over.

When Dr. Howard Latimer finds the German actress whom he had just met at the London Airport murdered in his flat, he is led into a world of murder, blackmail, and a fake passport scam.

A yacht in the English Channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?

An Englishman has been working in the US so long he now speaks with an American accent. He is drafted into the British Army during WWII but is injured and loses his memory. Because he talks like an American, the doctors repatriate him to the States where he is housed with a New York family. After the war they all travel throughout Europe, searching for the women he still remembers in the hope of restoring his lost memory

An American comes to Britain to investigate the murky circumstances of his brother's death that occurred during a WW2 commando raid.

An atmospheric British omnibus film presenting three tales of murder and the supernatural. In “In the Picture,” a museum attendant is drawn into the eerie world within a painting. In “You Killed Elizabeth,” two lifelong friends become suspects when the woman they both love is murdered. In “Lord Mountdrago,” a disgraced politician seeks revenge on a powerful statesman by exploiting his dreams. Linked by a recurring figure, the film blends psychological horror, mystery, and fantasy across its three interconnected stories.

Bulldog Drummond leaves retirement to help a Scotland Yard Sergeant catch thieves armed with radar.

An actress and an artist are linked by his brother to deadly smugglers sought by Scotland Yard.

A man tells his wife that the police are after him for having killed a bookie during an alcoholic binge, but that he is innocent and is being framed for the murder. The wife and her brother hide him and try to find out who the real killer was. The more they investigate, the more holes they begin to find in the husband's story.

'Strange Stories' consists of two stories, 'The Strange Mr Bartleby' and 'The Strange Journey'. The stories were sometimes shown individually on television.

When a sickly Victorian woman dies suddenly, a postmortem reveals that her body contains a fatal dose of arsenic. Suspicion falls on her husband and her companion, who are lovers. Inspector Martin of Scotland Yard solves the mystery of her death... over a cup of tea.

In this contemporary update of Frank H. Spearman's Western hero, Whispering Smith is now a sleuth who arrives in London on holiday, but is soon called in to solve the case of a suicide which the father of the deceased woman thinks was murder.

After murdering his lover, cross-channel swimmer Joy Webster, Derek Bond attempts to do same to her other boyfriend, Sheldon Lawrence. John Ireland plays an Interpol detective who stems Bond's homicidal hijinks. Black Tide was produced by Monty Berman in his pre-Saint days.

A ship's captain gets mixed up with murder during the hunt for lost Nazi treasure.

In this murder mystery, a woman's brother is killed in a freak accident, or so she believes. Fortunately for her, an American journalist is more suspicious and so begins roaming the London streets in search of the killer.

A British theater actress unable to get out of her contract is assisted by an American playwright when a pair of her scissors is discovered lodged in her producer's back.

A convicted female blackmailer is found murdered in her flat and suspicion falls on three men, all of whom the police believe may have had reason to wish her dead

When heavy fog prevents any flights from leaving London Airport, a group of passengers are put on a bus driven by Percy Lamb to drive to another airport. The fog is that heavy Percy doesn't know where he is going or that he is carrying stolen gold bullion that the robbers and police are relentlessly pursuing.

A secret jet aircraft capable of traveling three times the speed of sound is being developed by a group of scientists. On the day of the test flight, one of the scientists dies in a mysterious accident, and there are many arguments concerning the flight itself; some think it should be ground-controlled while Heathley (James Donald) wants it to be a manned flight with himself at the controls. Conflict also arises when one of his fellow scientists, taking advantage of Heathley's lack of attention toward his wife, Lydia (Phyllis Calvert), makes some moves on her. Then there is the question of just who is the enemy agent on the project.

An ex-GI wakes up with blood on his clothes in a strange hotel room. He can't remember the night before but he later finds out that a man he got into a fight with earlier in the night was murdered.

A music-hall performer and her boyfriend find themselves caught up in the machinations of a trio of not particularly bright crooks.

A woman who lives in Spain has trouble convincing anybody that a complete stranger has taken her dead brother's identity.

Duncan Lamont plays Jane Hylton's jealous husband. In a confrontation, Lamont accidentally shoots Hylton's lover. Convinced that he's a murderer, he heads for the hills as a police hunt begins... Classic British thriller from the creator of Dixon Of Dock Green.

A rich but disliked elderly man invites his relatives to a family reunion at his home. Once the gathering is complete, he announces enigmatically that he intends to change his will before he dies. Before he can do this, he is murdered. His niece (Gynt), a detective story writer, has to put her theories into practice by solving a real-life murder mystery.

An American doctor, Jethro Jones, comes into a quiet British seaside community and becomes entangled in a murder mystery when the town gossips inform him that all of the three wives of the town doctor, Doctor Dysert (or Doctor Deadcert as they call him) have had mysterious deaths. And now Doctor Dysert is treating his own secretary, Kitty, who he wants to make her his next wife, as she has inexplicably fallen ill.

In 1904 London, neighbors begin to suspect that a very strange man calling himself Dr. Fell may indeed be the famous Jack the Ripper.

A private detective goes after the people who murdered his girlfriend.

The story evolves around a radio panel game show "Twenty Questions." The panel is challenged with an anonymous question. The answer leads to a series of murders in which the killer uses the programme to name his victims in advance. Two reporters spot a link between them and enlist the aid of the panel in trapping the guilty party.