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
Parent Trap III garage shed, resulting in Jeffrey missing the wedding. Cassie, devastated, hooks up with Nick and drives away. David and Jessie become a couple. Sharon and the girls take down the shed's wall revealing Jeffrey and Susan about to kiss. They have realized their love for each other after playing the piano and singing to the music box she bought and then gave to him. She moves in with him and becomes Lisa, Jessie, and Megan's step-mother. In "The Parent Trap II", Sharon Ferris married Bill Grand (Tom Skerritt), creating a family with their daughters, Nikki Ferris (Carrie Kei Heim) and