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.
Identical twins are separated at birth, one becoming a streetwise mechanic, and the other an acclaimed classical concert conductor. Finally meeting in adulthood, they're mistaken for the other and entangled in each other's worlds.
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.
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.
A man pursues a woman who is already engaged and eventually gets married to her. Differences between the two lead to a bitter separation that threatens to destroy their relationship forever.
A New York writer on sex and love is finally getting married to her Mr. Big. But her three best girlfriends must console her after one of them inadvertently leads Mr. Big to jilt her.
Helen Harris has a glamorous, big-city life working for one of New York's hottest modeling agencies. But suddenly her free-spirited life gets turned upside down when she must chose between the life she's always loved, and the new loves of her life!
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.
Pawnshop assistant Patrick and maid Viveka meet by chance and become fond of each other, but none of them want to reveal his real profession for the other.
Comic mayhem ensues when two lovely blondes, Dee and Dawn, are mistaken as international mob killers.
Two "correspondence romance" suitors prepare to meet their respective partners for the first time; mixups ensue.
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.
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 man who has difficulty in choosing between two girls for his life partner approaches a psychiatrist for help.
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.
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.
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.
Viola Hastings is in a real jam. Complications threaten her scheme to pose as her twin brother, Sebastian, and take his place at a new boarding school. She falls in love with her handsome roommate, Duke, who loves beautiful Olivia, who has fallen for Sebastian! As if that were not enough, Viola's twin returns from London ahead of schedule but has no idea that his sister has already replaced him on campus.
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.
Millionaire Krister Dahl loses his memory when he is hit in the head by a golf ball. He meets his ex-wife and immediately fall in love with her again. She does not know what to believe, is it true or is it only a joke? He also discovers how he has mismanaged his company in his earlier life.