Barry McKenzie's Aunt Edna is kidnapped by Count Von Plasma, the vampire head of an isolated Eastern European dictatorship who mistakes her for the Queen of England and thinks that kidnapping her will draw tourists to his country. Barry and his mates set out to rescue her and bring her back to Australia.
Cantinflas is a vagrant being evicted for not paying rent, after wandering gets a job at the 'Grand Hotel' through a friend, that's confused by Count Zapatini, who is undercover in the hotel, stealing a gem making this funny movie more complicated.
Giacomo has an idol: James Bond. When he dreams, he dreams of himself, his fabulous adventures, especially in Tunisia, and a beautiful wife, Belle. In reality he is unemployed, overwhelmed by an obsessive mother who continually called to see if he wore his woolen tank top and is treated by a doctor who thinks he is Einstein. Finally Giacomo is followed by bizarre characters, kidnapped and taken to Tunisia to live a wonderful adventure of her dreams, from the dangers of any kind ... and he met Beatrice
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.
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.
After escaping across Europe from Stalag camp, Dolas's ride to Cyprus is stopped when his ship in sunk by an Italian submarine. Although he and some of his fellow sailors are rescued by an Allied ship, they find themselves conscripted into the French Foreign Legion in Beirut, Dolas becoming a cook.
Successful movie director John L. Sullivan, convinced he won't be able to film his ambitious masterpiece until he has suffered, dons a hobo disguise and sets off on a journey, aiming to "know trouble" first-hand. When all he finds is a train ride back to Hollywood and a beautiful blonde companion, he redoubles his efforts, managing to land himself in more trouble than he bargained for when he loses his memory and ends up a prisoner on a chain gang.
When a foreign-exchange student and a hooker - both named Dominique - show up on a college campus, the unsuspecting student body is in for the education of a lifetime!
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.
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.
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.
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.
When a Harvard-educated CIA agent is killed during an operation, the secret agency recruits his twin brother.
Marsha Meredith, an attorney-at-law, is nominated for a federal judgeship, but her nomination is opposed by a 'Good-Government' group that thinks her divorce makes her unfit for the job. This evolves into situations, happening in Florida, New England, Washington D.C., and the Adirondacks, such as the misunderstood husband trying to win back his wife, and the misunderstood wife trying to make her husband jealous, and one case of mistaken identity after another, after another.
An outgoing young girl and a square stockbroker meet on a park bench in Boston and are mistaken for international spies and chased by both sides.
A Bronx working girl is drawn into an elaborate extortion plot after being kidnapped by a gang of sophisticated con men who force her, because of her remarkable resemblance, to impersonate a wealthy socialite. Based on E.V. Cunningham's (Howard Fast's) novel, "Shirley."
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.
Hyman Goldberger, the president of film studio Super-Colossal Pictures, is in trouble--his major backer is threatening to stop financing his pictures. He finds a group of six wealthy individuals who may want to become investors in the studio if his disgruntled backer pulls out. Unfortunately, his bumbling runner Albert picks that day to invite six of his street musician friends to be in the film that is currently shooting at the studio, and Hyman mistakes them for the potential investors. Complications ensue.
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.
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?