Neil Fletcher

The after-effects of a nuclear apocalypse leave a band of survivors in a valley battling each other, rivalries, and a mutant monster stalker.

A deranged hypnotist summons the spirit of a prehistoric sea monster into physical form and uses the creature to do his murderous bidding.

A disheartened scientist thinks helping an alien named Zontar get to Earth will fix humanity’s ills, but Zontar actually wants to wipe humanity out.

Five Martians arrive on Earth in search of women with which to repopulate Mars... but their arrival is viewed by the military as a prelude to an invasion.