Guest Stars Martin Cummins as Tom Keller Nathalie Boltt as Penelope Blossom Barbara Wallace as Rose Blossom Lochlyn Munro as Hal Cooper Ryan Robbins as Frank Andrews Molly Ringwald as Mary Andrews Shannon Purser as Ethel Muggs Daniel Yang as Dilton Doiley Barclay Hope as Clifford Blossom Karl Walcott as Clay Walker Nicholas Barasch as Julian Blossom Greyston Holt as Glen Scot Sarah Habel as Geraldine Grundy Co Starring Nikolai Witschl as Dr. Curdle Jr. Moses Thiessen as Ben Button Carlo Yu as Mr. Daryl Doiley Akeem Hoyt Charles as Recruiter