Guest Stars Kiernan Shipka as Sally Draper Sam Page as Greg Harris Patrick Cavanaugh as Smitty Abigail Spencer as Miss Farrell Eric Ladin as William Hofstadt Kristoffer Polaha as Carlton Hanson Mary Page Keller as Annabelle Mathis Dan Desmond as Milton Lowell Co Starring Jared S. Gilmore as Bobby Draper Alexa Alemanni as Allison Edin Gali as Kurt Anthony Burch as Marty Faraday Julia Sanford as Griffen Woman Troy Vincent as Researcher Mark Doerr as Mutt Man Jay Burns as Bulldog Man