Parent Trap III is a 1989 American made-for-television comedy film and a sequel to The Parent Trap II (1986) and the third installment in The Parent Trap series. It originally aired in two parts as a presentation of The Magical World of Disney on April 9 and 16, 1989.Hayley Mills reprises her roles as twins Susan Evers and Sharon Grand. Barry Bostwick and Patricia Richardson portray Jeffrey Wyatt, a struggling widowed father with identical triplet teenage daughters, and Cassie McGuire, his snobbish, jealous girlfriend. Leanna, Monica, and Joy Creel portray Lisa, Jessie, and Megan Wyatt.