An underground government facility is locked down by its A.I.-controlled computer when an alien entity travels through a dimensional portal and threatens the lives of everybody inside.
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Verdict: Unknown
> Harry Bromley Davenport (Director)
> Nathaniel Massey (Director of Photography)
> Marion Malone (Assistant Art Director)
> Lloyd A. Simandl (Second Unit Director)
> John A. Curtis (Screenplay)
> Robert Smith (Screenplay)
> Stephen Lister (Screenplay)
> Edward Kovach (Screenplay)
