Kirstie Alley, Jane Sibbett, Steve Guttenberg, Mary-Kate Olsen
A rich girl named Alyssa and an orphan named Amanda are two little girls who are identical, but complete strangers who accidentally meet one day. Together they form a plan to try getting Alyssa's father, Roger, to prevent making the biggest mistake of his life: marrying an awful woman named Clarisse.—Aaron Saltzer