Cliff Robertson stars as a disc jockey whose radio tower allows a highly-dangerous glowing radioactive being to come to Earth.

When a scientist in the Orient invents a serum that permits human flesh to be remolded and shaped at will the Premier sees a way of overtaking the world.

Robert Culp is chosen to undergo a painful and bizarre mutation from human to Thetan.

Donald Pleasence plays a college professor who devises a method of harnessing cosmic energy into an undetectable beam that can devastate humans.

David McCallum is a coal miner who is transformed into a futuristic man with a grotesquely enlarged brain a sixth finger and tremendous mental powers.

Martin Landau portrays a time-traveller desperately trying to stop the birth of an inventor whose bacterium turns humans into mutants.