Also starring : Alan Carney, Alvy Moore, Arthur Space, Candy Candido, Chuck McCann, Don Pedro Colley, Elaine Devry, Helen Hayes, Huntz Hall, Ivor Barry, ...

Also starring : Barbara Harris, Bill Hickman, Herb Edelman, Jack Lemmon, Jason Robards, John Zaremba, Lisa Eilbacher, Lisa Gerritsen, Ruth McDevitt, Severn Darden, ...

Also starring : Alex Montoya, Carl Milletaire, Chick Chandler, Chris Warfield, Dick Foote, John Pickard, John Zaremba, Sally Fraser, Wright King, Peter Forster, ...

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, ...

Also starring : Abbe Lane, Allison Hayes, Dennis O'Keefe, John Zaremba, Paul Stewart, Chris Alcaide, George Brand, Hugh Sanders, Richard H. Cutting, William Challee, ...

Also starring : Alex Montoya, Bill Williams, James Flavin, James Griffith, John Zaremba, Ray Corrigan, Ray Teal, Richard Jaeckel, Tex Ritter, Adelle August, ...