Fredric March essays a dual role in this story of a ne'er-do-well who impersonates his brother when the latter dies.

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...

Two sailors get caught in a mountain of mix-ups when they meet their long-lost twins. Laurel and Hardy play themselves and their twins.

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.

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.

Cultured Mario and outlaw Lucien, twins separated at birth, join forces to avenge their parents' death at the hands of evil Colonna. Because each feels all the same sensations experienced by the other, swordplay is difficult for them. Worse yet, raised very differently, they struggle to find common ground between their conflicting personalities. But to defeat their enemy, the two will have to overcome the obstacles and work as a team.

Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The Mask.

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.

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.

Disparate twin brothers find themselves involved in romantic mayhem when their respective girl friends get them confused in this musical comedy.

'Day of the Fight' shows Irish-American middleweight boxer Walter Cartier during the height of his career, on the day of a fight with black middleweight Bobby James, which took place on April 17, 1950.

Butler Droopy gets his twin brother Drippy a job as assistant butler, causing trouble for Butch, who is trying to mooch an easy meal but can't tell the difference between the kind Droopy and the violence-prone Drippy.

Lash Larue seeks to arrest his twin brother, known as the Frontier Phantom

A young man searches for his brother's killer with the help of a gunfighter, a native woman and a traveling medicine man.

A garage owner marries a much younger woman. Trouble begins when he becomes friends with a man who has his eyes on his former-showgirl wife.

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 (James Craig), 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.

Story of twin brothers - one trying to help another escape from prison.

The main heroes are twin brothers. The first is responsible young fellow and excellent footballer. The second one is an undependable gambler. The police are after him. A pretty girl stands in between them. She has profoundly fallen for the footballer. By coincidence, the twins change places, which result in a formidable mess and funny situations. Ultimately, all the misunderstandings are settled and the couple re-joins.

A pair of twin brothers (or are they the same person?) lust over a woman

A tough sailor, Fotis, returns to Greece to marry his beloved and to settle certain inheritance issues with his twin brother Fifis, who is an effeminate artist. Their striking resemblance will upset the lives of both of them equally.