Superman and the Mole Men is an independently made 1951 American blackandwhite superhero film, produced by Barney A. Sarecky, directed by Lee Sholem, and starring George Reeves as Superman and Phyllis Coates as Lois Lane. The film was released by Lippert Pictures Inc. This is the first feature film based on the DC Comics character Superman. Previously, two liveaction, multiple chapter Superman serials from Columbia Pictures 1948, 1950, starring Kirk Alyn and Noel Neill, had been shown in weekly installments in theaters. Superman and The Mole Men s original screenplay was by Richard Fielding, a pseudonym for Robert Maxwell and Whitney Ellsworth, and was shot in a little more thandays on a studio back lot. The film was just 58 minutes long and served as a trial balloon release for the syndicated Adventures of Superman TV series, for which it became the only twopart episode, The Unknown People.
The medical examiner is summoned, and he later leaves with Lois. Clark stays behind to confront the foreman, who confesses that the well was closed down for fear that they had struck radium and not oil. The foreman proceeds to show Clark ore samples that were collected during different stages of drilling all of them glow brightly.The townspeople become afraid of the Mole Men because of their peculiar appearance, plus the fact that everything that they touch becomes phosphorescent, glowing in the dark. The townspeople form an angry mob in order to kill the monsters, led by the violent Luke Benso. Superman is the only one able to resolve the conflict, stopping Benson and the mob. He saves one of the creatures after it has been shot by taking it to the hospital. The second creature returns to the well head and disappears down its shaft. ........
Source: Wikipedia