Special Guest Stars Gregory Walcott as Slick McBurney Guest Stars Victor French as Isaiah Edwards Co Starring Jonathan Gilbert as Willie Oleson Alison Arngrim as Nellie Oleson Bonnie Bartlett as Grace Snider Chuck Hayward as Cosby Karl Lukas as Jebediah Mumfort June Dayton as Margaret Mumfort Uncredited Barney the Dog as Jack Jaye Durkus as Townsman Jack Lilley as Townsman Arnold Roberts as Townsman George Tracy as Townsman John Hudkins as Townsman Henry Wills as Townsman Wally West as Townsman