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.
| Directing | Harry Bromley Davenport | Director |
| Writing | John A. Curtis | Screenplay |
| Writing | Stephen Lister | Screenplay |
| Writing | Robert Smith | Screenplay |
| Production | John A. Curtis | Producer |
| Production | Lloyd A. Simandl | Producer |
| Camera | Nathaniel Massey | Director of Photography |
| Editing | Derek A Whelan | Editor |
| Production | Susan Taylor Brouse | Casting |
| Production | Janice Roe | Casting |
| Art | Glenn Patterson | Production Design |
| Art | Donald Riggan | Art Direction |
| Costume & Make-Up | Liza Deyrmenjian | Costume Design |
| Costume & Make-Up | Susan Miletic | Costume Design |
| Art | Jeffrey Butterworth | Construction Coordinator |
| Art | Roger Humphries | Set Designer |
| Art | Marion Malone | Assistant Art Director |
| Sound | Braun Farnon | Sound Designer |
| Visual Effects | Greg Derochie | Visual Effects Supervisor |
| Crew | Marc Akerstream | Stunt Coordinator |
| Camera | Alan M. Trow | Camera Operator |
| Lighting | Chris Little | Gaffer |
| Crew | Steve Granger | Transportation Coordinator |
| Directing | Jean Christopher | Script Supervisor |
| Production | Michael Mazo | Line Producer |
| Production | John A. Curtis | Executive Producer |
| Production | John Eyres | Executive Producer |
| Production | Geoff Griffith | Executive Producer |
| Production | Lloyd A. Simandl | Executive Producer |
| Production | John Proust | Associate Producer |
| Production | N. John Smith | Associate Producer |
| Production | A. William Smyth | Associate Producer |
| Production | James R. Westwell | Associate Producer |
| Writing | Edward Kovach | Screenplay |
