A classical art professor and collector, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend.

Copenhagen, Denmark, 1962. When a high-ranking Soviet official decides to change sides, a French intelligence agent is caught up in a cold, silent and bloody spy war in which his own family will play a decisive role.

Havana, Cuba, 1990. René González, an airplane pilot, unexpectedly flees the country, leaving behind his wife Olga and his daughter Irma, and begins a new life in Miami, where he becomes a member of an anti-Castro organization.

When an unauthorized letter is sent to Moscow alleging the U.S. government's willingness to help Russia attack China, former naval officer Charles Rone and his team are sent to retrieve it. They go undercover, successfully reaching out to Erika Kosnov, the wife of a former agent, now married to the head of Russia's secret police. Their plans are interrupted, however, when their Moscow hideout is raided by a cunning politician.

The US Government tries to track down embedded Nazi agents in the States.

Blind detective Duncan Maclain gets mixed up with enemy agents and murder when he tries to help an old friend with a rebellious stepdaughter.

After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown.

In England, an eccentric police inspector, an earnest test pilot and a spunky female reporter team up to solve the mystery of a series of test aircraft which have disappeared without a trace while over the ocean on their maiden flights; unaware, as they are, that a spy ring has been shooting the planes down with a ray machine hidden aboard a salvage vessel which is on hand to haul the downed aircraft aboard, crews and all.

A group of street kids battle a terrorist gang led by a Japanese spy.

When he is told that he is to spend three more years as a tailgunner, goofball GI Herbert Pumice thinks that a promotion--which he has little to no chance of getting--will get him out of the job he hates. He asks his girlfriend Sally, who owns the base café, for help. She goes to the base commander, Col. Baker--who she knows has a crush on her--to help out Herbert. Col. Baker schedules a promotion hearing for Herbert that Friday. He naturally fails it miserably, and then learns that Col. Baker is going out on a date with Sally. Meanwhile, the base military intelligence officer discovers that Herbert is a dead-ringer for the head of a spy ring intending to sabotage a new automated plane, and gets Herbert assigned to infiltrate the gang. Complications ensue.

A forger is forced to work for a Nazi spy ring. His conscience gets the better of him, though, and he secretly conspires with the FBI to turn over the gang.

First mate Karlsson is mistaken for famous actor Linde.

The Unseen Enemy in this wartime meller is Nick (Leo Carrillo), the outwardly effusive manager of a San Francisco waterfront café. To make enough money to ensure his daughter Gen's (Irene Hervey) entree into society, Nick sells his services to a gang of foreign spies, who then use Nick's establishment as a rendezvous point. The plan is to covertly send out a Japanese vessel for the purpose of raiding and destroying American merchant ships. The spies' secret code is hidden in the lyrics of a song called "Lydia", which the unwitting Gen performs on request day after day.

A code expert working for Naval Intelligence is assigned to decode enemy messages despite his desire for active duty.

Boat building father and son join the river patrol service and get caught-up in a spy ring.

A thief gets hold of some top secret papers and is chased around Europe by the sinister Organisation.

Yankee soldiers-of-fortune smash a spy plot aimed at seizing Hong Kong.

Stefan Borba was a member of a spy ring during the war but after the end of the conflict he opted out. Now he is a miner in Belgium and lives happily there with his wife Denise. Unfortunately for him, his past catches up with him. One day indeed, Milan, a secret agent with whom he used to work, resurfaces and forces him back into action...