Spies discover that the Red Chinese have built a "doomsday machine" capable of destroying the surface of the Earth, and that they plan to use it within a matter of days.
Cast:Bobby Van , Ruta Lee , Mala Powers , James Craig , Grant Williams , Henry Wilcoxon , Chia Essie Lin , Casey Kasem , Lorri Scott , Denny Miller , Mike Farrell , John Cestare , Raymond Mayo , Frank Gambina , Mark Bailey , Leo Ramirez , Anthony Loder , Steven Roberts