A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.
Release Date: 1989-08-09

Ed Harris

Mary Elizabeth Mastrantonio

Michael Biehn

Leo Burmester

Todd Graff

John Bedford Lloyd

Kimberly Scott

Chris Elliott

J.C. Quinn
Pierce Oliver Brewer, Jr.