Leviathan (1989 film)

Leviathan is a 1989 science fiction horror film directed by George P. Cosmatos and written by David Peoples and Jeb Stuart. It stars Peter Weller, Richard Crenna, Ernie Hudson, and Daniel Stern. It follows the crew of an underwater geological facility as they are stalked and killed by a hideous creature.

The crew salvage a safe from Leviathan, finding records detailing the deaths of several crew members as well as a video log from the captain. Sixpack also finds a flask of vodka which he shares with Bowman.Doc and Beck review the captains video, which describes puzzling medical problems amongst his crew. They also discover that Leviathan was scuttled. ........

Source: Wikipedia