Holt of the Secret Service

Government agents work to interfere with schemes to trick the Comanches into war with the Texans.

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

Veteran Secret Service agent Frank Horrigan is a man haunted by his failure to save President Kennedy while serving protection detail in Dallas....

During an historic counter-terrorism summit in Spain, the President of the United States is struck down by an assassin's bullet. Eight strangers have...

Jesse James wants to start a new life in a new location, but quickly finds himself wrapped-up in protecting townsfolk from the machinations of evil...

An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it becomes a case for Forest Ranger Steve King

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the...

The Phantom Rider helps Mary Grayson thwart a plot to steal her land.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio...

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a theft of information that will allow Mabuse to...