Karigar (1958)

A wealthy businessman's traditional family celebrate their togetherness when his three sons get married, but slowly find themselves growing apart after a misunderstanding.

Connie Doyle is eighteen, pregnant and alone. She accidentally ends up on a train where she meets Hugh Winterbourne and his wife pregnant Patricia. The train wrecks and she wakes up in the hospital to find out that it's been assumed that she's Patricia. Hugh's mother takes her in and she falls in love with Hugh's brother Bill. Just when she thinks everything is going her way, her ex-boyfriend shows up.

In the 1940s in the small town of Jupiter Hollow, two sets of identical twins are born in the same hospital on the same night. One set to a poor local family and the other to a rich family just passing through. The dizzy nurse on duty accidentally mixes the twins unbeknown to the parents. Our story flashes forward to the 1980s where the mismatched sets of twins are about to cross paths.

When out-of-work accountant Brian joins stay-at-home dad Jeff for a playdate with their sons, he expects a laid-back afternoon. Instead, they're chased by mercenaries, and Brian—totally unprepared—must survive one absurd obstacle after another.

A struggling salesman takes custody of his son as he's poised to begin a life-changing professional career.

A man awakens from a coma, only to discover that someone has taken on his identity and that no one, (not even his wife), believes him. With the help of a young woman, he sets out to prove who he is.

Bullied by his siblings and nagged by his parents, 11-year-old Preston Waters is fed up with his family — especially their frugality. But he gets his chance to teach them a lesson when a money-laundering criminal nearly bulldozes Preston with his car and compensates the boy with a blank check. Preston makes the check out for $1 million and goes on a spending spree he'll never forget.

When a down-to-earth Chicago baker and a soon-to-be princess discover they look like twins, they hatch a Christmastime plan to trade places.

An affable underachiever finds out he's fathered 533 children through anonymous donations to a fertility clinic 20 years ago. Now he must decide whether or not to come forward when 142 of them file a lawsuit to reveal his identity.

Two young gentlemen living in 1890s England use the same pseudonym ('Ernest') on the sly, which is fine until they both fall in love with women using that name, which leads to a comedy of mistaken identities.