Guest Stars Martin Cummins as Tom Keller Nathalie Boltt as Penelope Blossom Ryan Robbins as Frank Andrews Molly Ringwald as Mary Andrews Shannon Purser as Ethel Muggs Barclay Hope as Clifford Blossom Abby Ross as Midge Klump Karl Walcott as Clay Walker Nicholas Barasch as Julian Blossom William MacDonald as Principal Featherhead Malcolm Stewart as Dr. Freiderich Werthers