Best movies like In Line of Duty

When the plane owned by the "Yukon and Columbia Mail Service" crashes, RCMP Sergeant Renfrew (James Newill) and Constable Kelly (Dave O'Brien) suspect murder. Their suspicions are confirmed when Renfrew finds the control stick has been jammed, forcing the plane to fly in one direction until the gas ran out. Mine owner Louise Howard (Louise Stanley) reports that her superintendent is missing. The Mounties find him murdered and that too has been made to look like an accident. A new mail service pilot, Bill Shipley (Warren Hull), arrives. He had gone to training school with Renfrew but had been cashiered for misconduct. The Mounties discover that Raymond (Karl Hackett), who had been working for Louise, really owns the flying line managed by Yuke Cardoe (William Pawley.) They find proof that all the gold from the mine isn't being turned over to Louise, and suspect that Raymond and Yuke are stealing the gold and shipping it to Seattle by plane.

The hunter becomes the hunted, an officer of the Royal Mounted, fleeing, fighting for his life. Guided to a secret valley in the frozen North by a hot-blooded French-Canadian beauty, with a secret of her own...

Forest Ranger Tom Corbin patrols the lumber grant of the McFarland and Williams Lumber Company, party owned by Dale McFarland. Tom discovers that Bart Williams is systematically cutting excess timber and falsifying his timber reports to the government. Williams is assisted by "Bull" Riley, who, suspecting that Tom has discovered their thievery, gives Tom a beating in an unfair fight.

Opera singer, Marie de Flor, seeks out fugitive brother in the Canadian wilderness. During her trek, she meets a Canadian mountie, Sgt. Bruce, who is also searching for her brother. Romance ensues, resulting in several love duets between the two.

In this melodrama filmed on location in Hawaii, a sugar plantation manager finds himself falling in love with a native girl, but instead of committing to her, he marries a socially prominent young woman from San Francisco. The spoiled girl does not easily adapt to the rigors of plantation life and she gets terribly bored. She is just about to give in to the romantic overtures of a persistent native when her former lover shows up. The husband gets jealous and is about to attack him when the wife sets fire to the cane field. The husband's native lover saves him from death. Afterward, his wife leaves to be with her old flame, and the manager is free to be with the woman he's loved all along.

A madman sets out to destroy a group of Chinatown merchants.

A mechanic works for his sweetheart's father, who builds racing boats. He begs for and gets the chance to race a new-design boat, but his rival gets him intoxicated before the race and he wrecks the boat. Now he has to make good and show he has the right stuff.

A thug robs and kills a fur trapper. He is caught and locked up by the Mounties, but is soon broken out by his partner. As the Mounties investigate, they discover that the two are part of a ruthless crime ring run by a female gangster.

Renfrew of the Mounties hunts brother-and-sister gold hijackers.

Wilderness adventure starring Kirby Grant and Chinook.

Unknown to Joan Manning, her trading post partner Weathers is operating a counterfeiting ring. When miner Jim Smithers brings his gold dust in, Weathers pays him off in counterfeit money. Jim's drunken brother, Bill, comes to the post and Weathers hears him say that Jim is leaving the area for good. Weathers sends Hawks to kill Jim and retrieve the bogus money. RCMP Sergeant Renfrew and Constable Kelly find Jim's body, and Renfrew hurries for Jim's cabin to search it. He is attacked by Weathers' men who have found the money. Renfrew is suspicious when Bill Smithers body is found, supposedly a suicide, with a note he had burned the money. This leads the Mounties to suspect counterfeiting. Kelly follows Manti, an Indian who works for Weathers, to the gang's hideout and is captured. But Renfrew is trailing Kelly.

District Attorney Holden and his special investigator Betty Higgins are trying to convict brothers Joe and Lou Manson, silk-racket hoods, after they are indicted for murder.

A two-fisted Canadian Mountie leads lawmen in pursuit of the thieves who stole an Edmonton-bound freighter's cargo.

Columbia's King of the Wild Horses is a remake of the silent Hal Roach western feature of the same name -- and with the same "star," Rex the Wonder Horse, in the lead. Most of the story involves the romantic triangle between rogue stallion Rex, the gorgeous mare Lady, and villainous black steed Marquis.

A reporter sets out to prove that his girlfriend was framed and sent to prison.

After a jeweler hires a private detective to help him find $50,000 missing from his company, he is murdered while attending a society party; and the private eye, aided by his comely secretary, vies with a bumbling police detective to find the murderer among several suspects, including the dead man's daughter, her current husband, her former husband, and an ex-convict.

Canadian Mounties Corporal Rod Webb and Constable Mike Kelly, along with Rod's dog Chinook, are sent to the Blackfoot Crossing country to find a killer.

Royal Canadian Mounted Police Sergeant King protects a girl who has come to claim a mine left by her father. An evil lawyer plans to keep the mine for himself.

The Man From Montreal is a lively entry in Universal's Richard Arlen-Andy Devine action series. The stars are cast respectively as fur trapper Clark Manning and constable Bones Blair, who carry on a friendly rivalry in the Canadian Northwest. Our heroes team up in the final reels to put the kibosh on a fur-smuggling racket, permitting Universal to plunge deeply into its stock-footage files. The leading ladies this time out are Anne Gwynne and Kay Sutton, their billing status indicating which one of the two ladies will land Clark Manning in the last scene. Incredibly, the Arlen-Devine series lasted for 14 films, none of them classics but all of them worthwhile Saturday-matinee fare.

A young reporter's grandfather wins a sweepstakes, but it turns out that his ticket is phony. The reporter finds out that the police are looking for the criminal ring responsible for the phony-sweepstakes racket, so he and his young brother set out to track down the gang responsible and expose them.

Sergeant Ken Strange, of the Canadian Mounted Police, and his dog, King, are on the trial of the murderer.

An assistant district attorney tries to stop his girlfriend's father from being swindled out of his money by a crooked lawyer in a racetrack scam.

Both Indians and cowboys are after a beautiful stallion, the leader of a pack of wild horses.

The Gas House Kids tackle a gang of criminals in the hope of winning the reward and helping a returning war veteran make a life with his girl.

When Mark 'High Gear' Sherrod (Murray) looses his nerve, the race car driver takes a job driving a taxi, but when he befriends a cute reporter and the young handicapped son of a deceased driver, he attempts to return to the track.

Northwest Mounted Police Corporal Jerry Hale is assigned to take over the district of a fellow-officer, and is puzzled as he had worked this district before and had been mysteriously transferred, disrupting his romance with Helen Brent, the niece of Peter Barkley, the Factor at the trading post. An accountant of the company Berkley works for threatens to expose him when his account is found $10,000 short. Barkley pleads for more time to raise the money. His opportunity arises when he learns that Helen's father and his brother-in-law, Nathan Brent, has struck it rich and is on his way to visit Helen. Barkley instructs his henchmen Carney and Breen to lie in wait and rob Brent of his gold. Brent has a premonition of trouble and buries his gold, making a map of the location. Barkley is disturbed by the arrival of Corporal Hale and goes to warn his men, and finds them already engaged in the attack on Brent. Brent's dog Wolfgang (played by a dog named Rex, or maybe the other way around)...

A brother and sister are running a phony gold mine scam in the Klondike, which leads to murder. A Canadian Mountie sets out to bring them to justice.

A dance hall girl is murdered and her body robbed of a quantity of gold obtained illegally. The killer flees into Death Valley and encounters the rightful owner of the gold and her sweetheart.

A young man, Danny, decides to get a job in order to support his mother. He's hired to work in a garage, but soon finds himself being implicated in a stolen-car racket.

Ann Fenwick is a witness to a bank robbery in the U.S. and the bandits, led by Trigger and Leon capture her and when she disappears, a warrant is issued for her arrest as a material witness. The bank robbers flee across the border into Canada where they steal a trailer in which they lock Ann and the loot. The hitch breaks and the trailer plunges into a lake. Sergeant Renfrew and Constable Kelly, of the Canadian Mounties, rescue Ann and she tells them she is a hitch-hiking tourist and gives a false name. Renfrew sends Kelly for aid, Ann escapes and Kelly returns with the news that she is wanted. The leader of the gang, Cardigan, sends the gang back for Ann and the loot, which Ann has hidden in a trappers cabin, just before Trigger recaptures her. Renfrew goes to her rescue, but is also captured. But reliable Constable Kelly is somewhere in the woods.

Set during the old west, Bearheart the dog witnesses his master, an old mountain man being murdered by bandits. Forced into the wilderness to survive on his own he meets a family who gives him friendship and a loving home.

A group of Canadian Royal Mounted Police officers arrive home after serving overseas with the Allied Army. After enjoying a birthday banquet for the aged Major Manners amid much singing and revelry, Inspector Turner reveals suspicions about a new recruit, John Smith, whom he knows to be using a pseudonym and whose war record contains something potentially damaging.

A wealthy young socialite gets the gambling bug, and soon it goes from being just a fun pastime to an addiction, and she begins to lose more and more of her fortune.

A handsome radio singer has it all--fame, money, adoring fans--but what no one knows is that his accompanist, a hunchbacked piano player, is actually the voice behind the arrogant, abusive "singer"'s fame. The two men fall for the same girl, and when the singer turns up dead, suspicion falls upon his assistant and the girl.