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 with Jeffrey to the diner. The girls begin to befriend and like Susan. They set up a date for her and Jeffrey by not telling Nick and Cassie to come. Jeffrey expresses his admiration for Susan, who refuses because he is engaged. She quits working on the Wyatts' house and continues with Nick's condo. Also, Cassie moves the date to two days away. The girls go to Susan's apartment and meet Sharon Grand, Susan's twin sister. Sharon agrees to help them set up Jeffrey and Susan. On the wedding day, Sharon and the girls lock Jeffrey and Susan in the