The Parent Trap (film series) The Parent Trap (film series) The Parent Trap is a "Disney" film series, originating in 1961 with Hayley Mills playing both roles of twin sisters who were raised separately by divorced parents, without any knowledge of each other. They meet at a summer holiday camp, and switch places so that they can each meet their other parent. Mills reprised her roles three times in subsequent made-for-television sequels. A remake was released in 1998, with a plot similar to the original film and written by the original film's writer/director David Swift, with segments of the story being reworked into a romantic-comedy.
The Young and the Restless storylines revealed that Cassie actually had an identical twin sister named Mariah (played by the same actress as Cassie), who was raised by an unloving woman. It was revealed in the Fall of 2014, that Sharon gave birth to twins, and did not realize it, as both babies were immediately taken away and adopted to two different mothers. The writers also created a number of retcon storylines during the 2000s. In 2003, it was revealed that Jill was adopted, and Kay was actually her birth mother; Billy and Mac were told about this moments before they consummated their relationship. In 2004,