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.
Unearthly Stranger is a 1963 British black-and-white 'B' science fiction film directed by John Krish and starring John Neville, Philip Stone, Gabriella Licudi and Patrick Newell. It was written by Rex Carlton based on an idea by Jeffrey Stone. It was released in the UK by Independent Artists; its US release was in April 1964.