Special Guest Stars Ken Olin as Professor Robert Oz Guest Stars Peter Outerbridge as General Andrew Davies Joanne Kelly as Allison Shaw Bess Armstrong as Elizabeth Oz Co Starring Jason Cermak as Aide / Sgt. Greg Mansdale Tom Butler voices Greg Trotter Edward Foy as Father Pete Harris Andrea Ware as Young Mother Charles Jarman as Townsperson Dylan Schombing as Bobby Sidney Shapiro as Young Jackson Maggie T. Sullivun as Rosie