Eugène Lourié

As a result of an arctic nuclear test, a carnivorous dinosaur thaws out and starts making its way down the east coast of North America... (imdb)

A salvage vessle is nearly sunk off the Irish coast by an undersea earthquake. A few nights later, a walking sea monster tangles with the fishing boats and enters the town. The salvage vessel captures Gorgo and takes it to London for display. (imdb)

The dumping of radioactive waste in the ocean disturbs a prehistoric monster than can project electric shocks and radioactive beams. After terrorizing the English coast, it is discovered that if the creature is destroyed with conventional weaponry it would spread a dangerous amount radioactive contamination over the entire country, with this fact preventing the military from attacking the monster as it nears London. (imdb)

This low-budget, Frankenstein-flavored sci-fi flick involves the transplantation of a dead scientist's brain into the body of a hulking, glowing-eyed, caped robot by the man's lunatic brother. Though initially a success, the operation soon goes horribly wrong as the robot begins to display increasingly homicidal behavior, zapping people with its gamma-ray eyes.