
When the first manned flight to Venus returns to Earth, the rocket crash-lands in the Mediterranean near a small Italian fishing village. The locals manage to save one of the astronauts Colonel Calder, the mission commander. A young boy also recovers what turns out to be a specimen of an alien creature. Growing at a fantastic rate, it manages to escape and eventually threatens the city of Rome.
Genres:

William Hopper as Colonel Robert Calder

Joan Taylor as Marisa Leonardo

Frank Puglia as Dr. Leonardo

John Zaremba as Dr. Judson

Thomas Browne Henry as Maj. Gen. A.D. McIntosh

Tito Vuolo as Commissario Unte

Jan Arvan as Signore Contino - Government Official

Arthur Space as Dr. Sharman

Bart Braverman as Pepe

Don Orlando as Fisherman Mondello (uncredited)

George Khoury as Fisherman Verrico (uncredited)

Darlene Fields as Reporter Reynolds (uncredited)

George Pelling as Reporter Maples (uncredited)

James Dime as Felix Roi, a French reporter (uncredited)

Sid Cassel as Farmer (uncredited)

Ray Harryhausen as Man Feeding Elephant (uncredited)

Noel Drayton as 1st Reuters News Correspondent (uncredited)

Rollin Moriyama as Dr. Koruku - Japanese Scientist
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