Also starring : Audie Murphy, Ben Cooper, Colleen Miller, Damian O'Flynn, DeForest Kelley, John Hubbard, Thomas Browne Henry, William Wellman Jr., Adam Williams, Eddie Quillan, ...

Movie Plot : A spacecraft which returns from the first manned flight to Venus, crashes into the sea and releases a small monster that accidentally crawled aboard. The monster however proves to be a dangerous Ymir, and when the animal becomes an adult, it threatens to attack Rome.

Genre : Science Fiction

Also starring : William Hopper, Joan Taylor, Frank Puglia, John Zaremba, Thomas Browne Henry, Tito Vuolo, Jan Arvan, Arthur Space, Bart Braverman, ...