1. Rooster Cogburn
After a band of drunken thugs overruns a small Indian Nation town, killing Reverend Goodnight and raping the women folk, Eula Goodnight enlists the aid of US Marshal Cogburn to hunt them down and bring her father's killers to justice.
It has an average vote of 6.5 on TMDB.
2. The Ghost Rider
The first of a long-running series of Monogram-produced westerns starring Johnny Mack Brown and Raymond Hatton that replaced the Rough Riders series following the death of Buck Jones in the Boston night club fire. Though the next three years featured Brown and Hatton as undercover marshals in some form or another, this initial entry had Brown as a lone rider seeking vengeance and he and Hatton's characters were unknown to each other through most of the film. Hopkins offer McKenzie a marshal's job at the end of the film, which the Brown character declined and rode off alone on his quest. This quest didn't take long as by the next film in the series Nevada Jack McKenzie was a full-fledged U. S. Marshal.
3. Outlaws of Stampede Pass
Tom Evans , nephew of U.S. Marshal Sandy Hopkins , has just trailed his cattle to Yucca City, where he intends to sell to Ben Crowley , owner of practically everything in town.Tom loses his money in a crooked game ran by Crowley. "Nevada Jack" McKenzie , a U.S. Marshal working undercover, watches the game and secures one of the "fixed" decks of cards. Later, Tom discovers Crowley's men rustling his cattle and is shot. Nevada finds him severely wounded and hides him with Jeff Lewis and his daughter Mary . Sandy, posing as a dentist, arrives in town after a wire from Nevada. The latter confronts Crowley with the crooked deck and also with the fact that Tom is still alive, and demands a partnership from Crowley. When Crowley learns that Lewis is hiding Tom, he decides to have both Tom and Nevada killed.
It has an average vote of 4 on TMDB.
4. Carry On Cowboy
Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a 'sanitary engineer' named Marshal P. Knutt is mistaken for a law marshal. Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids—revenge-seeking Annie Oakley and his sanitary expertise.
It has an average vote of 6.247 on TMDB.
5. Son of a Badman
Lash and Fuzzy come to town to unmask the mysterious outlaw kingpin, El Sombre.
6. Outlaw Trail
Carl Beldon has disappeared and the Trail Blazers have been sent to investigate. Arriving in town, they find that 'Honest John' controls everything. He even prints his own money. He also has a gang and they set out to finish off the heroes.
7. Ghost Town Renegades
Gold has been found and Sharp is out to get the land. He has the land owners killed and then has Watson forge new deeds. Cheyenne and Fuzzy arrive in time to save Trent. Then they go after the gang and its leader.
It has an average vote of 4 on TMDB.
8. Breakheart Pass
At the height of the frontier era, a train races through the Rocky Mountains on a classified mission to a remote army post. But one by one the passengers are being murdered, and their only hope is the mysterious John Deakin, who's being transported to face trial for murder.
It has an average vote of 6.5 on TMDB.
9. The Black Lash
Having sent Deuce Rago to prison in Frontier Revenge , Lash finds he's out and his outlaw gang are at it again. This time he has the Lawyer Leonard and Joan to help him out and Lash and Fuzzy must bring him in once more.
10. High Noon
Will Kane, the sheriff of a small town in New Mexico, learns a notorious outlaw he put in jail has been freed, and will be arriving on the noon train. Knowing the outlaw and his gang are coming to kill him, Kane is determined to stand his ground, so he attempts to gather a posse from among the local townspeople.
It has an average vote of 7.7 on TMDB.
11. Gunfight at the O.K. Corral
Lawman Wyatt Earp and outlaw Doc Holliday form an unlikely alliance which culminates in their participation in the legendary Gunfight at the O.K. Corral.
It has an average vote of 7.03 on TMDB.
12. Alias John Law
John Clark and his deaf pal, Bootch Collum , are trailed by U. S. Marshal Lamar Bly ...
It has an average vote of 3.6 on TMDB.
13. Cahill: United States Marshal
J.D. Cahill is the toughest U.S. Marshal they've got, just the sound of his name makes bad guys stop in their tracks, so when his two young boy's want to get his attention they decide to rob a bank. They end up getting more than they bargained for.
It has an average vote of 6.147 on TMDB.
14. Colorado Territory
In Colorado territory, outlaw Wes McQueen escapes jail to pull a railroad robbery but, upon meeting pretty settler Julie Ann, he wonders about going straight. Western remake of High Sierra with Joel McCrea taking over the Humphrey Bogart role.
It has an average vote of 6.831 on TMDB.
15. Mule Train
A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they have a monopoly of the wagons needed to haul rocks to the site. A pretty sheriff notwithstanding, it's a job for a singing marshal.
It has an average vote of 5 on TMDB.
16. Law of the Valley
Dan Stanton and Condon are foreclosing on a group of ranchers in order to gain a land-monopoly. They have one of the ranchers, whose property supplies the others with water, killed. Ann Jennings, niece of the rancher, sends for U. S. Marshals Nevada Jack McKenzie and Sandy Hopkins, who organize the ranchers who take over the dead man's property and blast the dam releasing needed water to all the ranchers. Nevada and Sandy, aided by the sheriff, round up Stanton, Condon and their gang members.
It has an average vote of 5 on TMDB.
17. Range Law
Range Law stars Johnny Mack Brown as "Nevada" and Raymond Hatton as "Sandy", the same characters they played in most of their mid-1940s Monogram westerns. This time, Nevada and Sandy, US marshals both, set out to collar some renegades who've been driving out the local ranchers. It's just possible that one of said ranchers is behind this land-grabbing scheme.
18. Along the Great Divide
US marshal Len Merrick saves Tim Keith from lynching at the hands of the Roden clan, and hopes to get him to Santa Loma for trial. Vindictive Ned Roden, whose son Ed was killed, still wants personal revenge, and Tim would like to escape before Ned catches up with him again. Can the marshal make it across the desert with Tim and his daughter? Even if he makes it, will justice be served?
It has an average vote of 7.2 on TMDB.
19. Bad Men of the Border
Set on the Mexican border in 1850, Bad Men of the Border was the first of seven Universal Westerns starring handsome Kirby Grant, a former singer from Montana who had earlier acted under the name Robert Stanton. The series, Universal's last attempt at competing with Republic Pictures' many streamlined B-Westerns, also featured the bucolic Fuzzy Knight as Grant's sidekick. Grant and Knight are undercover U.S. marshals tracking down a gang of counterfeiters. To their surprise, they are soon assisted by a beautiful Mexican dancehall performer, Dolores Mendoza , who proves to be an undercover agent as well, in her case for the Mexican rurales headed by Captain Garcia .
It has an average vote of 5 on TMDB.
20. The Mysterious Rider
Billy the Kid and his pal Fuzzy escape from the Marshal and find themselves in the ghost town of Laramy. The city was abandoned because of Sykes and his gang, who are in search of a gold mine.
It has an average vote of 5 on TMDB.