Guest Stars Eric Olson as Elmer Dobkins Charles Aidman as Sam Dobkins Co Starring Jonathan Gilbert as Willie Oleson Alison Arngrim as Nellie Oleson Michael Landon, Jr. as Jim Leslie Landon as Kate Mitzi Hoag as Ellen Dobkins Dermott Downs as Kenny Bagby John Herbsleb as Joel Turner Wade Alberty as Steve Uncredited Barney the Dog as Jack Cindy Moore as Tall Schoolgirl in White Dress