Unknown Valley

John Oxford owns a gambling hall in an Alaskan mining town, but it known far and wide as an honest man. However, one day he finds that in order to save the life of Doris Henry, who has come to Alaska to marry Wallace Towers, he has to cheat. It turns out that Wallace has incurred huge gambling losses and is being threatened by those to whom he owes the money, and they in turn are threatening Doris--who mistakenly blames John for the predicament that she and Wallace are in.

Based on the novel The Spoilers by Rex Beach.

Wanted for a murder he didn't commit, Camp O'Neil escapes and assumes a different identity becoming foreman on Molly McCall's ranch.

Burly Johnny Mack Brown once again plays undercover U.S. Marshal Nevada McKenzie in this overly complicated series oater from low-budget Monogram. This time, McKenzie, who goes under the alias of Roy Ferris, is waylaid by would-be stage robber Cy Manning (John Merton) en route to the Bar X Ranch.

A woman who refuses to become involved with a dedicated police officer unknowingly dates a man who is in cahoots with a criminal mastermind.

A sleazy lawyer's female assistant sets out to end his cheating ways.

After killing a friend in a gunfight, Jeff Douglas quits the Texas Rangers. He arrives at the Kenyon ranch just as Jonathan Kenyon apparently commits suicide. He and Janet Kenyon then become the new half owners. At first, he refuses to wear a gun and is believed to be a coward, but as trouble mounts, he straps it on once again.

Anita Morell arrives by stagecoach in a small California town to find her father murdered and his property being stolen by two unscrupulous townsmen. She receives help from a sympathetic lawman and from a masked rider known as "the Black Shadow" whose whip-scarred back is evidence of his own grudge against the townsmen.

After a brief mid-1940s burst of originality, Monogram's Johnny Mack Brown western series settled back into the commonplace with such entries as Flashing Guns. In this outing, Brown tries to save his pal Shelby (Raymond Hatton) from being thrown off his ranch by crooked banker Ainsworth (James E. Logan). To do this, our hero must prove that the banker is in cahoots with the local gambling boss (Douglas Evans).

A scientist invents a "superspeed" device that makes people fight for its ownership.

Flame of the West has always attracted more attention than most of Johnny Mack Brown's Monogram westerns, if for no other reason than the offbeat casting of Douglass Dumbrille. Usually seen in villainous roles, Dumbrille herein offers a sincere, effective performance as a scrupulously honest US marshal named Nightlander. When he takes on a gang of crooked gamblers, Nightlander is shot down in cold blood, compelling frontier doctor John Poole (Johnny Mack Brown) to put his Hippocratic oath on the back burner and strap on the shootin' irons.

Capturing a beautiful horse and slave girl, Thurya young Arab Jaafor’s happiness is short lived when the girl is sold to a cruel sheik. Sneaking into the encampment he attempts escape with her on horseback but is captured. The attack of an enemy tribe saves him, the sheik is slain, and the young Jaafor’s tribe celebrates his nuptials with Thurya.

A railroad detective is having a difficult time stopping or even slowing down a gang that is robbing the merchandise carried on the freight trains, with inside information. However, his son and his son's young friends notice something that helps the railway detective get on the right trail.

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. Consumed by paranoia, he begins to suspect that his wife is having an affair. Wild for revenge, Rukh hatches a deadly plot...using his own poisoned body as a weapon to kill.