Guest Stars Ethel Merman as Roz Smith Anthony Andrews as Tony Selkirk Morgan Fairchild as Jenny Boyer Jessica Walter as Marcia Farnsworth Linda Evans as Jessica Halberson Lloyd Bridges as William Otis Farnsworth Beth Howland as Eloise Farnsworth Grant Goodeve as Bud Boyer Jim Nabors as Wayne Bouton 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