forbidden Planet.
The Thing.
The Day the Earth Stood Still.
The Thing.
The Day the Earth Stood Still.
forbidden Planet.
The Thing.
The Day the Earth Stood Still.
Phhht. SO you already listed the best! BUT....
The BLOB
Day of the Triffids
It Came FRom Outer Space
Which old Sci Fi had a creature working its way through the levels of the space ship while the crew tried to figure a way to stop it? Sort of like Alien but I'm sure it was a Fifties movie.