Guest Stars Victor French as Isaiah Edwards Bonnie Bartlett as Grace Snider Brian Part as Carl Sanderson Kyle Richards as Alicia Sanderson Naomi Ross as Nurse Johnson Ivan Bonar as Dr. Mayes Darrell Zwerling as Horace Benson Co Starring Jonathan Gilbert as Willie Oleson Alison Arngrim as Nellie Oleson Sheldon Coburn as Dr. Washburn Ralph Smiley as Conductor Uncredited Barney the Dog as Jack Ruth Foster as Melinda Foster