As was customary in his late Monogram westerns, Johnny Mack Brown plays an undercover agent in Colorado Ambush. Brown is sent to Colorado to stem the activities of a particularly vicious outlaw gang
Ben Williams
A United States marshal uncovers a plot to steal the valuable gold-laden property of ranchers.
A former sheriff relentlessly pursuing the 7 men who murdered his wife in Arizona crosses paths with a couple heading to California.
Wells Fargo agents Jack Douglas (Kirby Grant) and Bosco O'Toole (Fuzzy Knight) are sent after a gang of stage robbers. Danny Burton (Bernard Thomas, brother of Laura Burton (Jane Adams, is implicated before Jack is able to prove that saloon owner Lee Fain (Danny Morton) is the man behind the outlaw gang.
An obscure entry in the musical Western cycle, Swing, Cowboy, Swing was produced by and starred country & western bandleader Cal Shrum. Shrum and his band, the Rhythm Rangers, are warned away from playing a theater in Big Bend by Cal's brother, Walt Shrum and his Colorado Hillbillies. Ignoring the warning, the Rhythm Rangers arrive at the theater only to be shot at by a masked stranger. With the help of stranded vaudeville performer Max "Alibi" Terhune and his dummy Elmer, Cal manages to catch the mystery shooter who turns out to be Frank Lawson (Frank Ellis). The film apparently did not generate enough interest for a series, but was re-released by Astor Pictures in 1949 under the title Bad Man From Big Bend.
In one of his better Monogram Westerns, Johnny Mack Brown goes up against a crooked saloon owner with more than one murder on his conscience. Steve Corbin (Tristram Coffin) and his gang of cutthroats are terrorizing the townspeople of Rimrock, who in self-defense hire Johnny Macklin (Mack Brown) as new town marshal.
A man framed for a series of Wells' Fargo stage robberies and a comical sheriff's deputy join forces to uncover the real robbers, unaware that a U.S. Marshal assigned to the case and the Mayor of the town which is at the center of the robberies, are the leaders of the gang.
A former outlaw becomes a Wells Fargo guard, but when the stagecoach is robbed, he becomes a wanted man once again.
Honest Plush Brannon is a con-man thrown out of the Barbary Coast in San Francisco in the 1880s and headed for the gold rush region of Nevada. He discovers a real mine which lead to several complications.
Cheerful outlaw Charlie Boles leaves former partners Lance and Jersey and heads for California, where the Gold Rush is beginning. Soon, a lone gunman in black is robbing Wells Fargo gold shipments. One fateful day, the stage he robs carries old friends Lance and Jersey...and notorious dancer Lola Montez, coming to perform in Sacramento. Black Bart and Lance become rivals for both Lola's favors and Wells Fargo's gold.
Wells Fargo hires three cowboys to clean up a lawless town.
Having served a prison sentence for robbery, Pete Carver decides to go back for the hidden loot. But someone is on his trail.
When Ranger Raymond is killed during a stage holdup, Wells Fargo Agent Whip Wilson assumes his identity.
Wells Fargo hires bounty hunters to protect its gold transports from the notorious outlaw Glenn Kovacs. Jeff Sullivan, one of the hired gunmen, buys the freedom of Dan Barker, a prisoner who may lead him to Kovacs. When Barker escapes from Sullivan, the other bounty hunters pursue him also, leading to the ultimate showdown between all parties.
In 1889 pioneers race ahead of the law to claim free land in Oklahoma, forming wide-open towns. In one such, citizens elect Milt Dawson to challenge the self-appointed rule of gambler Ace Holmes, only to have him shot in the back. But leading the next batch of settlers is Milt's quick-on-the-draw son John, who gets help from friendly outlaws.
Rodeo champ Gene Autry inherits half interest in both a ranch and a mine that provides steady employment for the surrounding rancheros. Unfortunately, the other half goes to Easterner Barbara Erwin (Carol Hughes), who is only interested in monetary remuneration. To convince Gene to buy her share, Barbara enters into an unholy alliance with unscrupulous attorneys Arnold (Ivan Miller) and Fry (Sam Flint), who, without their client's consent, hire a gang of thugs headed by Tommick (John Merton). When a ranchero (Elias Gamboa) is mortally wounded in the ensuing gun battle, Barbara sees the error of her way and switches sides.
Wyatt Earp and his brothers Morgan and Virgil ride into Tombstone and leave brother James in charge of their cattle herd. On their return they find their cattle stolen and James dead. Wyatt takes on the job of town marshal, making his brothers deputies, and vows to stay in Tombstone until James' killers are found. He soon runs into the brooding, coughing, hard-drinking Doc Holliday as well as the sullen and vicious Clanton clan. Wyatt discovers the owner of a trinket stolen from James' dead body and the stage is set for the Earps' long-awaited revenge.
Headstrong Thomas Dunson starts a thriving Texas cattle ranch with the help of his faithful trail hand, Groot, and his protégé, Matthew Garth, an orphan Dunson took under his wing when Matt was a boy. In need of money following the Civil War, Dunson and Matt lead a cattle drive to Missouri, where they will get a better price than locally, but the crotchety older man and his willful young partner begin to butt heads on the exhausting journey.
An old-fashioned western lawman coming to grips with the "modern technology" of the 20th century. He teams up with college-educated criminologist to solve a tricky mystery.