Summary: Strange goings on at the site of an experimental underwater laboratory as a mysterious object of unknown origin is detected in the area. A group of researchers investigate and come face to face with the object, a large automated extraterrestrial probe. They board the craft and discover a small object at first considered to be some sort of instrument package, which they take back to the lab for closer inspection. It is then that events take a turn for the worse. (imdb)

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AKA: Terror of the Deep

Genres: Sci-fi, Suspense/Thriller

Country: USA

Directed By: Francis D. Lyon

Written By: Arthur C. Pierce

Starring: John Howard, Scott Brady, Gary Merrill, James Hong, Sheree North, William Thourlby, Biff Elliot, Roy Barcroft, Glenn Sipes, Wende Wagner, Mike Road, Richard Niles

More information at the Internet Movie Database