Routine tests on a traffic accident victim lead to shocking discoveries when the man's blood is found to be unidentifiable and x-rays reveal a disc embedded in his brain. His fabulous tale of being an escaped prisoner from an alien spaceship takes a turn for the sinister when the hospital staff realise that they're under a state of siege...

When a corpse is found in the Thames, the only clue is that the dead man was killed by a karate or judo expert.

The Police investigate the theft of emerald jewellery which had led to murder.

A petty burglar sets a chain of events in motion when he steals some money that the owner doesn't want the authorities to know about.

A racketeer, deported back from America, faces murder charge and hatches jury rigging plot with accomplice. Cross and double-cross follow.

The police investigate the murder of an officer, killed during a jewel robbery.

Professional killer Kersten arrives in England and is hired by Donald Edwards to murder his wife Helene. But Helene's lover Robert Vaughan discovers the plot and he trails Kersten and Edwards to a country cottage.

A man is murdered in a room with no windows and a steel lined door which locks only from the inside.

A wealthy business man fires one of his employees and becomes the victim of murder attempt. The fired man becomes the prime suspect, but it appears that he himself has been murdered.

Three teenagers encounter a ghost who is in limbo until he retrieves his lost head. They do their parts to help him find it.

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?

Culver is a psychiatrist who uses hypnotism to treat his patients. When Carpenter, a test pilot, comes to see him complaining of blackouts that make his job difficult, Culver tries to mesmerise him into killing his wife.

A tax avoidance scheme by a film producer leads to murder and the theft of £300,000.

A gang of high class corporate thieves use blackmail to induce their victims to sell property at knock-down prices.

Alan Roper tells Bookie Larry Hart that he is planning to steal £60,000 and Hart offers to launder the money for him. What Hart doesn't know is that it is actually his money Roper intends to steal.

An atomic scientist is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. He teams up with a reporter to stop his evil double from destroying his experiments in artificial tungsten.

A British psychiatrist reads an amnesiac's (Maxwell Reed) brain waves and sees the mind of a killer.

A man who has been left for dead by the impostor who takes his place returns to bring him to justice.

British crime film directed by Peter Duffell and starring Bernard Lee, Moira Redmond and John Van Eyssen, loosely based on the 1918 novel "The Man Who Knew" by Edgar Wallace.

When a robbery at a racetrack goes wrong ex-con Johnny Bannion is caught and sent back to prison. He won't tell the rest of the gang where he has stashed the loot leading to violent consequences.