It! The Terror from Beyond Space is an independently made 1958 American science fiction horror film, produced by Robert Kent, directed by Edward L. Cahn, that stars Marshall Thompson, Shawn Smith (Shirley Patterson), and Kim Spalding. The film was distributed by United Artists as a double feature with Curse of the Faceless Man.

Plot

In 1973, a nuclear-powered spaceship blasts off from Mars for Earth, bringing with it the sole survivor of the first mission, Col. Edward Carruthers. He is suspected of having murdered the other nine members of his crew for their food and water rations, on the premise that he had no way of knowing if or when an Earth rescue mission would ever arrive. Carruthers denies this allegation, attributing his crew's deaths to a hostile humanoid life form on the Red Planet.