The Man from Planet X is a 1951 independently made American black-and-white science fiction horror film, produced by Jack Pollexfen and Aubrey Wisberg, directed by Edgar G. Ulmer, that stars Robert Clarke, Margaret Field, and William Schallert.

The story concerns a humanoid who lands on Earth in a spaceship from a mysterious planet and makes contact with a small group of humans on an isolated, fog-shrouded Scottish moor.

A spaceship from a previously unknown planet lands in the Scottish moorlands, bringing a humanoid alien to Earth near the observatory of Professor Elliot (Raymond Bond).

A colleague of the professor, the unscrupulous and ambitious scientist Dr. Mears (William Schallert), discovers that the humanoid speaks in musical tones and tries to force from it the metal formula for its spaceship.

Cast notes The film went into production on December 13, 1950, at Hal Roach Studios in Culver City, California, and wrapped principal photography six days later.