You might be looking for "It Came from Outer Space" (Jack Arnold, 1953).
It's out on DVD.
On Thu, 8 Apr 2004, david tetzlaff wrote:
> I'm trying to identify a sci-fi movie i saw as a child in the early
> 1960 at a saturday matinee. It was probably made in the 1950s. My
> memory is that it had a name simialr to 'Invaders from Mars' but it
> is not that film (Menzies, 1953). I think the plot was very similar,
> though: people transformed one by one into zombies, with some
> telltale mark, only one person recognizes it (I think also a child),
> etc. However, my memory is that this film was in black and white, had
> more naturalitic acting than 'Invaders from Mars.' and as I recall,
> the invaders were hiding out some secret process in a chemical plant
> or refinery, and near the end of the film the place blows up and
> there's a blob-like thingie or two terrorizing the humans at that
> So does anyone remember a movie like this? Can anyone recommend a
> source/method for trying to dig up stuff like this.
> Online resources for film/TV studies may be found at ScreenSite
Online resources for film/TV studies may be found at ScreenSite