Harriet Green, a beloved and radiant music hall star of the Edwardian era, mysteriously disappears on the eve of her wedding. Years later, she reappears on the stage as young looking and beautiful as ever.
The idle rich have their own particular problems. Case in point, Georg and Monika Hedberg were once poor and happy but since Georg became an established painter family bliss has decreased for every fur coat Monika has bought. Their divorce lawyer suggest that they try to save their marriage by moving to a small apartment and live life frugally but happy. When the trial period is over and they want to return home again, their lawyer has stolen their money and disappeared. The Hedbergs are evicted for unpaid rent and terminal poverty seem to be imminent.
Baron Conrad Crusenhielm is hit in the head during a drunken brawl. Suffering from amnesia, he is mistaken for the lost sailor Karlsson and taken to the navy vessel Fylgia.
Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.
A couple of happy-go-lucky Venetian gondoliers discover that one of them is heir to the throne of a distant kingdom.
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?
Ana is an ambitious intern dreaming of a career in the art world while trying to impress her demanding boss Claire. When she's upgraded to first class on a work trip, she meets handsome Will, and Ana pretends to be her boss– a white lie that sets off a glamorous chain of events, romance and opportunity, until her fib threatens to surface.
The two brothers Trinity and Bambino are exchanged by two federal agents and take advantage of the situation to steal a huge booty hidden in a monastery by a gang of outlaws.
A young radio announcer living in Warsaw, who also is a swing and jazz musician, continually feuds with his landlord, a classical musician. A mixup of names and apartments leads to amusing complications as the young tenant falls in love with a young woman who, unbeknown to him, is the landlord's niece.
An uncle and his nephew travel to the capital to sell fruits and vegetables. On the way, they sell a sack of “thyme” that was meant for someone else. It turns out the sack didn’t actually contain thyme. Escaping from the owner of this deposit — worth millions — turns out to be a complicated matter.
A hapless orchestra player becomes an unwitting pawn of rival factions within the French secret service after he is chosen as a decoy by being identified as a super secret agent.
When a Harvard-educated CIA agent is killed during an operation, the secret agency recruits his twin brother.
After a young heiress is assaulted by a policeman, she seeks revenge by befriending the policeman’s mousy wife and introducing her to her circle of outrageous punk friends.
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.
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.
Polly’s dreams of making it as an actor are shattered when her identical twin sister Amy lands the lead role in a huge TV show. Mistaken for her famous sister at every turn, Polly decides to use Amy’s celebrity for her own advantage – free clothes, free booze, casual sex… with hilarious and disastrous consequences for them both.
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.
Snub, the delivery man, and his assistant, Sunny, are returning from a delivery when they almost run over a lost woman. After she asks for directions, they accompany the woman to a dance school, where Snub is mistaken for the new professor.
Uptight lawyer Peter Sanderson wants to dive back into dating after his divorce and has a hard time meeting the right women. He tries online dating and lucks out when he starts chatting with a fellow lawyer. The two agree to meet in the flesh, but the woman he meets — an escaped African-American convict named Charlene — is not what he expected. Peter is freaked out, but Charlene tries to convince him to take her case and prove her innocence. Along the way, she wreaks havoc on his middle-class life as he gets a lesson in learning to lighten up.
Comic mayhem ensues when two lovely blondes, Dee and Dawn, are mistaken as international mob killers.