The more sober-minded work, and the creepier film, thanks in large measure to Paul Birch's performance as the gent who is 'not of this Earth.'

Could be the most effective of Corman's non-comic pre-Poe films...

Somehow Corman makes it all work, even the purely expositional dialogue scenes.

They tried for alien Dracula. They failed The promotional material for this movie makes it look as if they were trying to out-scary Dracula, which was a hype at this time, but this movie does not have the heart of Dracula movies (although there have been some stinkers). It is typical cold-ware fare; xenophobia, fantasticism, all that good stuff. It is by no means a bad movie, but it certainly is not one of the all-time greats.