Guest Stars Ethel Merman as Roz Smith Anthony Andrews as Tony Selkirk Jessica Walter as Marcia Farnsworth Linda Evans as Jessica Halberson Jim Nabors as Wayne Bouton Morgan Fairchild as Jenny Boyer Lloyd Bridges as William Otis Farnsworth Grant Goodeve as Bud Boyer Beth Howland as Eloise Farnsworth Margaret Laurence as Melanie Kalani / Madeline Kalani Patti MacLeod as Hazel Farnsworth Co Starring Brendan Lunney as David Selkirk Alan Fletcher as Martin Blake Russell Newman as Frank Farnsworth