The Third Secret (1964)

Zach Riley is a psychiatrist, who leaves a job at a prestigious university, to take up a job at the privately run mental institution, Millwood. What he doesn't reveal at the time of his appointment is that this was the very place where his novelist father, T.L. Pierson, spent many years of his life.

A psychiatrist, Martin Dysart, investigates the savage blinding of six horses with a metal spike in a stable in Hampshire, England. The atrocity was committed by an unassuming seventeen-year-old stable boy named Alan Strang, the only son of an opinionated but inwardly-timid father and a genteel, religious mother. As Dysart exposes the truths behind the boy's demons, he finds himself face-to-face with his own.

A mentally disturbed man takes residence in a halfway house. His mind gradually slips back into the realm created by his illness, where he replays a key part of his childhood.

A psychiatrist, whose client commits suicide, finds his family life disrupted after introducing her surviving brother to his wife and daughter.

After a former model is drowned in her bathtub, Detective James Halloran and Lieutenant Dan Muldoon attempt to piece together her murder.

Charles Dobbs is a British secret agent investigating the apparent suicide of Foreign Office official Samuel Fennan. Dobbs suspects that Fennan's wife, Elsa, a survivor of a Nazi Germany extermination camp, might have some clues, but other officials want Dobbs to drop the case. So Dobbs hires a retiring inspector, Mendel, to quietly make inquiries. Dobbs isn't at all sure as there are a number of anomalies that simply can't be explained away. Dobbs is also having trouble at home with his errant wife, whom he very much loves, having frequent affairs. He's also pleased to see an old friend, Dieter Frey, who he recruited after the war. With the assistance of a colleague and a retired policeman, Dobbs tries to piece together just who is the spy and who in fact assassinated Fennan.

World War II soldier-turned-U.S. Marshal Teddy Daniels investigates the disappearance of a patient from a hospital for the criminally insane, but his efforts are compromised by troubling visions and a mysterious doctor.

A young woman returns a lonely widow’s lost purse, leading to an unlikely relationship between the two — until the young woman discovers the widow might not be all that she seems.

A minor train accident in rural Nebraska gradually unveils a mystery involving the town's reclusive bank clerk.

Nicolas Shaw is a retired U.S. special operative who becomes part of an elite 'invisible' team that quietly takes out the worst villains around the world.