20 Million Miles to Earth

20 Million Miles to Earth is a black and white 1957 science fiction film directed by Fred F. Sears. The film is also know an The Beast from Space and The Giant Ymir.

Creature effects by Ray Harryhausen.

Spoiler warning: Plot or ending details follow.

The first spaceship to visit Venus returns to Earth and crash lands into the sea off of Italy. A small native Venusian creature called the Ymir is freed and eventually grows to an enormous size, threatening the city of Rome.