The first spaceship to visit Venus crash lands in the sea, freeing a small native Venusian creature called the Ymir. Eventually growing to enormous size, it threatens the city of Rome.
Cast of 20 Million Miles to Earth
William HopperColonel Robert Calder
Joan TaylorMarisa Leonardo
Frank PugliaDr. Leonardo
John ZarembaDr. Judson
Thomas Browne HenryMaj. Gen. A.D. McIntosh
Tito VuoloCommissario Unte
Jan ArvanSignore Contino - Government Official
Arthur SpaceDr. Sharman
Bart BravermanPepe
Don OrlandoFisherman Mondello (uncredited)
George KhouryFisherman Verrico (uncredited)
Darlene FieldsReporter Reynolds (uncredited)
George PellingReporter Maples (uncredited)
James DimeFelix Roi, a French reporter (uncredited)
