Special Guest Stars Bob Newhart as Professor Proton Guest Stars Matt Hobby as Pastor Jeff Hodgkins J. Doc Farrow as Wayne Wilkins Rex Linn as Principal Tom Peterson Brian Stepanek as Mr. Hubert Givens Danielle Pinnock as Ms. Evelyn Ingram Valerie Mahaffey as Ms. Victoria MacElroy Melissa Tang as Ms. Fenley Co Starring Wyatt McClure as Billy Sparks Marcia Ann Burrs as Betty Christian Alexander Garcia as Stinson