| Crime, Horror, Sci-Fi
An amorphous cellular life-form descends from the atmosphere to consume carbon in the form of diamonds.
Creating the effects for the monster Dogora was very difficult and extremely time-consuming. The process was characterized by trial-and-error in every step, as the staff searched for the correct materials for he prop and determining the method in which to shoot it.
After the giant Dogora wraps its tentacle around the bridge's beams, partway through the shot, the tentacle switches from being around the beam to behind it.
The U.S. English dubbed version, released by American International under the title "Dagora, The Space Monster," has all of the cast and credits removed. The picture and sound contain an awkward jump from the main title to the first scene. It is believed that American International, for unknown reasons, physically cut the cast and credits from their initial release prints.