Parent Trap III Mary Grand (Bridgette Andersen). Susan was married to Brian Carey (Alex Harvey). They divorced prior to the events of "Parent Trap III", and Susan reverted to using her maiden name, Evers. Hayley Mills returned in 1986 to the Disney Channel when she filmed "The Parent Trap II". She expressed no interest in returning for more sequels. In 1989, Mollie Miller soon began production on the next sequel, "Parent Trap III". Mills returned after her Disney series, "Good Morning, Miss Bliss" had ended. Barry Bostwick was cast as Jeffrey Wyatt and Patricia Richardson as his jealous, snobbish girlfriend, Cassie McGuire. Richardson
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,