A young man stalks his mother's killers.

A professor of astronomy helping on a missile development program. An old friend of his is a Russian chess champion. The Russian is working with shady businessman Marek and they plan to kidnap the professor and make it look as though he has defected to the Soviet Union.

A bomb dooms the first space satellite, manned by a selfless crew, a stowaway reporter (Lois Maxwell) and a mad scientist (Donald Wolfit).

Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. This experiment causes a crack to form and grow within the Earth's crust, which threatens to split the earth in two if it is not stopped in time.

Branded as criminally insane and incarcerated for a murder he did not commit, Speight escapes from the asylum, determined to clear his name. He befriends private detective Hugo Bishop who, convinced that the wrong man has been convicted, agrees to help find the real killer. They begin their search for the murderer closest to home where both Thelma Speight and her employer Maurice Jerrard were visibly distressed by the news of her husband's jailbreak. More than Speight's 'insanity' fuels their worries.

A wily old codger matches wits with the King of the Leprechauns and helps play matchmaker for his daughter and the strapping lad who has replaced him as caretaker.

A jeweller is killed in a gang robbery leaving the daughter as the only witness. When the police can't build a case against him she decides to go undercover to infiltrate the home of the killer's brother. Slowly she is drawn into the world of the rival gangs.

In wartime England, circa 1941, poorly-armed tugs are sent into "U-Boat Alley" to rescue damaged Allied ships. An American named David Ross arrives to captain one of these tugs. He's given a key by a fellow tugboat-man -- a key to an apartment and its pretty female resident. Should something happen to the friend, Ross can use the key.

In Imperial Russia, Anna, wife of the officer Karenin, goes to Moscow to visit her brother. On the way, she meets charming cavalry officer Vronsky, to whom she's immediately attracted. But in St. Petersburg’s high society, a relationship like this could destroy a woman’s reputation.

London at the turn of the century. Three men are on a mission from the IRA to steal all the gold in the vaults of the Bank of England. Norgate, their leader, discovers the bank's weak spot: an old forgotten sewer straight under the vaults.

Sgt. Mike Kincaid of the French Foreign Legion learns, from a Riff prisoner, that an attack will soon be made by the villainous Hussin on the Legion's outpost of Tarfa. Kincaid volunteers to lead nine other Legionnaires on a mission to delay Hussin's attack till reinforcements arrive. When he discovers that Hussin plans to marry Mahla, a girl from a rival tribe, in order to build a coalition against the French, Kincaid kidnaps Mahla. Hussin forcefully takes her back, but by now his planned attack on Tarfa is crumbling and Mahla has begun to fall in love with Kincaid.

When a plot against a prominent Middle Eastern politician is uncovered, David Pollock, a professor of ancient hieroglyphics at Oxford University, is recruited to help expose the scheme. Pollock must find information believed to be in hieroglyphic code and must also contend with a mysterious man called Beshraavi. Meanwhile, Beshraavi's lover, Yasmin Azir, seems willing to aid Pollock -- but is she really on his side?