Popular monarch Queen Christina of Sweden must choose between love and loyalty to her nation when she unexpectedly falls for a Spanish envoy.

Hot jewels from London make their way to New York, where they are stolen by racketeer Ed Dexter, who hides them with the help of his vivacious girlfriend, Vivian Palmer….

Rightful owner of the kingdom, the Duchess of Zona, is engaged in a power struggle with the evil General Gurko. Edmond, the son of Monte Cristo, dons many disguises to…

An American posing as a Russian prince woos a visiting Ohio heiress.

An American reporter smuggling news out of Soviet Moscow is blackmailed into helping a beautiful Communist leave the country.

Prior to the United States’ involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The…

When author Charles Regnier returns to Paris with a best-selling book that criticizes the government, he’s tormented by frequent blackouts. After a mysterious cat-like creature slaughters people close to him,…

Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh….

An American salvage diver plunges into dangerous intrigue around a sunken treasure in the Philippines.

Wrestling trainer puts himself in charge of a singer’s love life when the singer is jilted by a rich girl.