Foreign powers keep getting their hands on U.S. military secrets, so the head of the American diplomatic corps calls in his nephew Dick Stansbury to help. Stansbury knows that Doctor Montell is at the bottom of this, so he poses as an inventor of an innovative aerial gun. This sparks the doctor's interest, and when they both attend a weekend party at the Ryerson estate, Montell tries to get Stansbury to sell the gun to his country.
At a reception given for the vacationing Prince Zarl of Zorania, secretly the emissary of Zorania set on negotiating a treaty with the United States, Geoffrey Wynne, apparently a society dandy, but in reality a secret service agent, meets the prince. During the reception, Wynne is summoned to Washington where he learns that the treaty has been stolen and is being held for $15,000,000 ransom. Discovering that one of the thieves is an Italian named Farnelli, Wynne enlists the aid of his fiancée, Irene Mitchell, in apprehending the thief. Irene meets the Italian who offers to accompany her to New York. En route, Wynne overtakes them, chloroforms Farnelli and rips off his disguise to reveal Prince Zarl. Zarl then admits that he has stolen the treaty in order to cover his gambling debts.
A spy known as "1932" during World War I, is commissioned by the German Secret Service to trail English agent Captain Woodhouse to the Straits of Gibraltar and there effect the destruction of the British fleet. Before his departure, 1932 helps Jane Gerson, an American girl falsely accused of espionage, and later falls in love with her.
A German spy who is married to Lillian, the sister of Rosie O'Grady.
At the outbreak of the World War, Janet Graham, a telegrapher, is persuaded by Eddie Delano, a crook masquerading as a salesman, to marry him. She agrees, but upon discovering his duplicity, she turns him over to the police. Janet enters the U. S. Secret Service and is detailed to uncover the source of a "leak" in the sailing of troop transports
Heroine Dora de Zares comports herself in a most mysterious fashion in this spy mystery.
Phillip Gresson is in the employ of the British secret service, while heroine Judith is a spy for the Enemy. Hoping to gain possession of the usual Secret Plans, Judith pretends to be in love with Phillip. Only after nursing the seriously wounded Phillip back to health does Judith come to the realization that she genuinely loves him.
Escaping from a revolution, the King of a mythical Balkan country heads to the United States. Here he finds a friend in the form of dashing secret service agent Yorke Norray.
In this actioner, the life of a the humble church youth group leader is turned topsy-turvy when a car, driven by a spy suddenly crashes into his house.
Exiled French patriot helps to find the men who want to betray emperor Napoleon III by selling military secrets to the German government.
Aviation action highlights this programmer which concerns foreign intrigue and a pair of WW1 buzz-boys developing a high-tech aircraft.
G-Men in Washington break up a powerful spy ring and capture the ringleaders.
FBI agents Allan Harper and Tommy Baker are in charge of a group of subversives, spies and saboteurs that the US government is deporting to foreign countries aboard a ship. The deportees attempt to take over the ship.
Reporter Michael Gordon uncovers intrigue in Damascus, where the Allies and Nazis struggle for control of Arab sympathies.
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 British Sanitary Engineer, goes on holiday with a set of plans for a new secret weapon which he has mistaken for his new plumbing invention. Everyone is hunting for him, including the Russians. The Russians find him and offer him a job in the Kremlin doing research (on plumbing he believes). He accepts, arrives in Russia and falls in love with Tania, a secret agent. And then discovers the true nature of the plans he is carrying...
Yankee soldiers-of-fortune smash a spy plot aimed at seizing Hong Kong.
Feature film derived from edited episodes of the television series "Secret File, U.S.A."
Sebastian must either deliver a young Arab prince to Russia or get him back safely to his own country. The episode aired in the US in 1959, and in theaters in the UK in 1961 -- supporting the movie Wild in the Country with Elvis Prestley
From the TV series Five Fingers. Released theatrically in the UK in August 1961 as supporting film to Voyage to the Bottom of the Sea.