Not on your list
Unearthly Stranger
Terrifying - Weird… Macabre! Unseen things out of Time and Space!
1963 · 1h 18m · 6.0 on TMDB
A series of scientists working on a new techology to facilitate man's conquest of space are killed in mysterious circumstances. Suspicion falls on the wife of another scientist on the project, who may not be what she seems.
