Dean StockwellAvery Jensen Stefanie PowersKaren McMillan Elliott StreetJoel Fisher Dan BartonElectronics Expert Johnny Scott LeeAvery - as a Boy Craig GuentherFederal Agent Walter GraumanDirector / Executive Producer David SilverAssociate Producer Anthony WilsonProducer / Story Walter M. ScottSet Decoration Jack Martin SmithArt Direction Jerry WunderlichSet Decoration Jack WoolfDirector Of Photography Duane TatroOriginal Music Composer 
