Man from Planet X (1951) was directed by the great Poverty Row auteur Edgard G. Ulmer, who was also responsible for 1934's The Black Cat (arguably the best pairing of Karloff and Lugosi), as well as the fantastic Detour (1945), widely considered one of the best film noir ever made. This very atmospheric movie is somewhat unusual for a 1950s sci-fi flick in that the visitor from Planet X is initially benevolent (that is until the evil human scientist tries to exploit the alien for his own nefarious intent), which was rare in movies of that decade (the other notable exception to that rule is The Day the Earth Stood Still, which also came out in 1951). It was shot in 6 days, and Sally Field's mom Margaret Field plays the female lead. Paper for this film is relatively rare and can be hard to find unrestored.