Russell Hayden

The Mounties are called in to fight against claim jumpers.

Rancher Utah Neyes crosses the border into Canada to meet his partner, only to find that he has been murdered by a gang led by Nails Nelson.

After a new element that defends against atomic bombs is discovered, an agent must stop a warmongering mastermind from getting his hands on it.

Hopalong Cassidy, a U.S. Marshal, goes undercover as a member of a medicine show to stop a crime spree organized by a deceptively kind matriarch.

When the U.S. Rough Riders are short of horses during the Spanish-American War, Hopalong Cassidy and crew fight a gang while wrangling wild horses.

Belle Langtry runs a town being taken over by cattle rustlers. She is also a front for the outlaws, who are led by Steve Fraser. Hoppy gets elected sheriff and cleans up the town with help from the Bar 20 boys.

Hopalong Cassidy and his Texas Rangers help an outlaw-ridden town in California bring law and order to the citizens fed up with the local crooks.

Hoppy and Lucky are headed to South America to deliver a herd of cattle, but bad guy Ralph Merritt will stop at nothing to get in their way.

Buck Colins heads a group of local ranchers who are trying to prevent the railroad from completing its line through their property. Till now they have been able to charge tolls on herds passing through.

Hoppy goes to town to assist Marshal Windy with some rustlers and winds up helping the widow Joyce when confidence men try to take her herd.

Hopalong Cassidy (William Boyd) saves a woman's wagon line from nefarious criminals.

A pair of 1880s secret service agents stationed in the Old West are dispatched by the government to investigate crimes threatening the young nation.

An elderly rodeo performer, his young grandson, and their injured horse help transform the lives of various citizens in a small town.

Hoppy and Lucky have been called in to investigate a series of stage holdups.

Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by the swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.

The further adventures of Hopalong Cassidy occur when he comes to a town overrun with outlaws that even his gang can’t bring to heel.

When he gets a call for help from his former sweetheart, Hoppy and his crew ride out to challenge a group of cattle rustlers harassing the ranchers.

Hopalong Cassidy comes to the rescue when an outlaw starts a water rights feud between two ranchers hoping to take over both of their properties.

Rancher Belle Starr returns from time in prison only to face cattle rustlers and a hail of bullets, along with rescue by Hoppy and the Bar 20 gang.

Hopalong Cassidy deals with problems at a local school involving cattle theft and the arrival of a new teacher.