The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.
Taurean Blacque
as Captain Phillip Laidlaw
Nancy Everhard
as Joyce Collins
Greg Evigan
as McBride
Miguel Ferrer
as Snyder
Nia Peeples
as Scarpelli
Matt McCoy
as Jim Richardson
Cindy Pickett
as Dr. Diane Norris
Marius Weyers
as John Van Gelder
Elya Baskin
as Burciaga
Thom Bray
as Hodges
Ronn Carroll
as Osborne
Chris Walas
as (uncredited)
