Ronald Davidson Movies

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer...

King of the Candian riding police is up against Japs and Nazis who are about to invade Canada. They just want to clear the way with a new futuristic...

A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missiles at the U.S. The Canadian Mounted Police...

Feature version of the 1951 American serial film, "Zombies of the Stratosphere".

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate...

Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to create a variety of disasters. Fortunately, he is...

Dangerous climate changes are ravaging Earth and the U.S. government requests an investigation by masked super-scientist Commando Cody. He discovers...

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

Edited version of the 1938 Republic serial "The Lone Ranger."

An American secret agent travels to Africa to infiltrate a Nazi spy ring.

Jean Evans of an international wildlife foundation, who is known to Africa as 'the Panther Girl' because of her bravery in jungle living, stumbles...

A group of ranchers, led by Colonel Arnold and Ward Gordon, are drilling an oil well but getting fierce opposition from an unknown gang of outlaws....

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome...

Terry O'Rourke, an American operating a small airline in Canada, is having a tough time making a go of it; he has to cope with unfavorable weather...

A man returning home after having fought in the Civil War discovers that corrupt politicians have taken over the county and are terrorizing and...

This is a shortened version of the 1945 Republic serial "The Purple Monster Strikes," which was released to television in 1966.

A criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on...

Outlaws attempting to kidnap Steve Blaine from a stagecoach are ran off by the sharpshooting of his sister, Sally and rescuers Jimmy Wakely and...

Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother Bradley Meredith. With his infant daughter, he...

A gang of land-grabbers tries to prevent safe passage of the Foster Stage Company through frontier territory.