The U.S. government has been using deep caves in Central America as bases for a special type of radio transmitter used for communicating with submaries. When the signal from one of these ...

Starring:

Robert Powell, Timothy Bottoms, Lisa Blount, Richard Johnson, Anne Heywood, A.C. Weary, Jackson Bostwick, Richard Beauchamp, William Gribble, Carl Spurlock, Jason Laskay, Liam Sullivan, Gary Carlos Cervantes, Tim Powell, David Avery

Genre:

Action, Horror