Parent Trap III Parent Trap III 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 on "The Magical World of Disney" on April 9 and 16, 1989. Hayley Mills reprises her role a third time as twins Susan Evers and Sharon Grand. Barry Bostwick and Patricia Richardson portray Jeffrey Wyatt, a struggling father with triplet girls, and Cassie McGuire, his snobbish girlfriend. Leanna, Monica, and Joy Creel portray Lisa, Jessie, and Megan Wyatt. Jeffrey Wyatt is the widowed
The Rat Trap (who also played a supporting role), and Allan Wade. The production starred Robert Harris as Keld (an aspiring young playwright) and Joyce Kennedy as Sheila (a novelist, Keld's fiancée in Act I, his wife in the three subsequent acts). Strong support was given by Adrienne Allen as Ruby (an ambitious musical comedy actress), Mary Robson as Olive (Sheila's flatmate) and Clare Greet as Burrage (the laconic cook-housekeeper). Coward later wrote: 'My first serious play, "The Rat Trap", was produced at the Everyman Theatre while I was on the "Olympic" bound for New York, and so I never saw it...in spite