Algernon Moncrieff is surprised to discover that his affluent friend -- whom he knows as "Ernest" -- is actually named Jack Worthing. Jack fabricated his alter ego in order to escape his country estate where he takes care of his charge, Cecily Cardew. Cecily believes that Ernest is Jack's wayward brother and is keen on his raffish lifestyle. Algernon, seeing an opportunity, assumes Ernest's identity and sneaks off to woo Cecily.
Young Stanzi who is visiting Vienna helps a young corporal and musician to become famous for his marching song "Die Deutschmeister".
Twins, separated at birth, end up as a Hong Kong gangster and a New York concert pianist. When the pianist travels to Hong Kong for a concert, the two inevitably get mistaken for each other.
New Yorkers Skip Donahue and Harry Monroe have no jobs and no prospects, so they decide to flee the city and find work elsewhere, landing jobs wearing woodpecker costumes to promote the opening of a bank. When their feathery costumes are stolen and used in a bank robbery, they no longer have to worry about employment — they're sent to prison.
An American gets a ticket for an audience participation game in London, then gets involved in a case of mistaken identity. As an international plot unravels around him, he thinks it's all part of the act.
When practicing for a role, actor Jack is mistaken for the killer Ace. He doesn't realize this until it's too late and is carried off to gangster boss Leo Smooth, who wants Ace to do a job for him. Fearing for his life, Jack plays his role, but always searching for a way out of the well-guarded house.
A guy meets the woman of his dreams and invites her to his company's corporate retreat, but realizes he sent the invite to the wrong person.
Marisa Ventura is a struggling single mom who works at a posh Manhattan hotel and dreams of a better life for her and her young son. One fateful day, hotel guest and senatorial candidate Christopher Marshall meets Marisa and mistakes her for a wealthy socialite. After an enchanting evening together, the two fall madly in love. But when Marisa's true identity is revealed, issues of class and social status threaten to separate them. Can two people from very different worlds overcome their differences and live happily ever after?
In order to increase his monthly allowance, Veer lies to his stepbrother Dharm about being married. When Dharm unexpectedly arrives in Goa, he mistakes Prem's wife for Veer's. This case of mistaken identities leads to chaotic and hilarious situations.
Milo Boyd, a down-on-his-luck bounty hunter, thinks he's seeing an upswing in fortune when he gets a call to bring in his bail-jumping ex-wife, a reporter named Nicole. Milo considers the job an easy payday, but Nicole quickly escapes to chase a lead on a murder case. The former spouses play an escalating game of one-upmanship, until they suddenly find themselves on the run for their lives.
A case of mistaken identity forces a Federal agent and a dental supply salesman to team up as they speed through the streets of Detroit to pull off a sting operation and solve the murder of the agent's former partner.
Two escaped convicts roll into the village of Happy, Texas, where they're mistaken for a gay couple who work as beauty pageant consultants. They go along with it to duck the police, but the local sheriff has a secret of his own.
Jon and Garfield visit the United Kingdom, where a case of mistaken cat identity finds Garfield ruling over a castle. His reign is soon jeopardized by the nefarious Lord Dargis, who has designs on the estate.
A inept courier realises he has been used by criminals to deliver money. On the run from both the criminals and police, he poses as a Scout leader and leads a scout group on a hike through the mountains.
Aspiring architect Tom Thompson is told by mysterious Ruth Abernathy that his best friend, "Bill," has taken his own life. Except that Tom has never met Bill and neither have his incredulous friends. So when Tom foolishly agrees to give the eulogy at Bill's funeral, it sets him on a collision course with Ruth -- who is revealed to be Bill's oversexed mother -- and Julie DeMarco, the longtime crush Tom hasn't seen since they were teens.
A successful songwriter, dazzled by high society, falls for a society girl who is just playing around.
Boy meets girl; boy falls in love (and had wild, non-stop sex) with girl; boy loses girl... when they discover they are brother and sister! But when he learns that he's the victim of the ultimate case of mistaken identity, the lovesick young man -- whom everyone still thinks is after some taboo thrills -- must race across the country to stop her from marrying another man.
Thomas Karatoulpanis (Dinos Iliopoulos) is a naive employee at a car show in the Thessaloniki International Trade Fair. Because of his modest personality he is constantly criticised by his mother-in-law, his uncle and his boss. The only one who supports him is his wife. But the appearance of a doppelganger who buys extravagant gifts in his name causes a ruckus. Thomas is an amateur singer and participates in the Thessaloniki Song Festival winning the first prize. This is when everyone realises that there are two people who look alike.
Old Mother Riley falls into money so goes to Paris, where she is mistaken for a spy.
Comic mayhem ensues when two lovely blondes, Dee and Dawn, are mistaken as international mob killers.