William Shatner plays two roles: cowboy Johnny Moon and his ruthless Indian twin brother, Notah. Notah likes peyote and gets the crazy idea that he's the Comanche messiah sent to lead the Comanche nation against the white man but more specifically the dusty desert town of Rio Hondo. Moon, estranged from his brother, decides to stop Notah either by words or by bullets.
In one of his rare movie starring assignments, William Talman (Hamilton Burger on TV's Perry Mason) plays a dual role in The Persuader. Talman is seen as gunslinger Matt Bonham and his twin brother, preacher Mark Bonham. When Mark is killed by outlaw leader Bick Justin, Matt takes his brother's place in the pulpit, ramming the Fear of God down the throats of the wanton townspeople. Impressed by Bonham's courage, the townsfolk begin to follow the straight and narrow path.
In this western, a paroled desperado and his twin, a preacher, wander about the Old West to bring "salvation." The parson begins trying to help a gang leader's niece whose uncle has been forcing parolees to join him or return to prison. Naturally he tries to rope the paroled twin into his gang.
When Jim Allen is lynched, his identical twin brother Bob, a Texas Ranger, takes his place in an attempt to flush out the man responsible.
Tom Cameron learns that his twin brother is with a group of German spies. They intend to thwart the government's efforts to round up horses for military service.
A notorious outlaw is recruited by a cattle buyer, secret boss of a gang of cattle rustlers, to impersonate the town sheriff, who is the outlaw's twin brother; and complications ensue, as the sheriff, now a hostage, is on the eve of his marriage while the outlaw's cantina-dancer girlfriend has followed him to town and is at risk of exposing him.
A young man searches for his brother's killer with the help of a gunfighter, a native woman and a traveling medicine man.
An Ivy League professor returns home, where his pot-growing twin brother has concocted a plan to take down a local drug lord.
Jerry Shaw and Rachel Holloman are two strangers whose lives are suddenly thrown into turmoil by a mysterious woman they have never met. Threatening their lives and family, the unseen caller uses everyday technology to control their actions and push them into increasing danger. As events escalate, Jerry and Rachel become the country's most-wanted fugitives and must figure out what is happening to them.
Elliot, a successful gynecologist, works at the same practice as his identical twin, Beverly. Elliot is attracted to many of his patients and has affairs with them. When he inevitably loses interest, he will give the woman over to Beverly, the meeker of the two, without the woman knowing the difference. Beverly falls hard for one of the patients, Claire, but when she inadvertently deceives him, he slips into a state of madness.
Marie, a film producer, returns to her native Russia to find her birth parents. She quickly learns they are dead, and she has inherited their long-empty farmhouse. At the farm, she meets Nicolai, who claims to be her twin brother. Events take a terrifying turn when the two spot a pair of ghastly doppelgangers and the house itself seems to propel them toward a fate they should have met 40 years earlier.
Alain Moreau's investigation into the death of his identical twin brother leads him from the beauty of the south of France to the mean streets of New York City and into the arms of his brother's beautiful girlfriend. Pursued by ruthless Russian mobsters and renegade FBI agents, the duo race against time to solve his brother's murder and expose an international conspiracy.
Unassuming catering salesmen Jim Ferguson falls through a time hole to 1917 where he saves the life of dashing Royal Flying Corps pilot James "Biggles" Bigglesworth after his photo recon mission is shot down. Before he can work out what has happened, Jim is zapped back to the 1980s......
In a 16th-century European town, the ruling family has been given a prophecy that, should there ever be twin boys born, the younger will murder the older; so is dismayed when twins are born to the popular baron. The older grows to be a selfish, slovenly man, who inherits the castle at his father's death and becomes ruler over the formerly happy villagers. He enjoys his power until he learns his younger brother is returning from abroad and, afraid of the prophecy, he determines to murder his sibling, hide his body in the "black room" - an old torture chamber sealed away behind the fireplace - and then impersonate him, right down to his withered arm. In this way he hopes to not only avoid the prophecy, but also escape consequences of his other criminal deeds and obtain marriage to a local girl of the nobility...
When his mother's untimely death quickly follows his father's, a doctor begins to believe a killer may be targeting him and his amnesiac wife.
When undercover FBI agent Frank Castle's wife and son are slaughtered, he becomes 'the Punisher' -- a ruthless vigilante willing to go to any length to avenge his family.
Upon moving into the run-down Spiderwick Estate with their mother, twin brothers Jared and Simon Grace, along with their sister Mallory, find themselves pulled into an alternate world full of faeries and other creatures.
Frederick Butterfield has always been runner up to his twin brother Herman. When Herman, the older by a mere minute, becomes the world's oldest man, Frederick finally sees an opportunity to be first place.
ChloƩ, a fragile young woman, falls in love with her psychoanalyst, Paul. A few months later she moves in with him, but soon discovers that her lover is concealing a part of his identity.
A reformed criminal's attempt at going straight is derailed when he reunites with his sanity-testing twin brother on a road trip for the score of a lifetime. Dodging bullets, the law, and an overbearing mother along the way, they must heal their severed family bond before they end up killing each other.