Leviathan (1989)

Perched on the hull of a wrecked Soviet freighter, a team of deep-sea miners led by head oceanographer Steven Beck comes face to face with a mutant creature that's the product of a failed genetic experiment. Starring Peter Weller, Richard Crenna, Amanda Pays, Daniel Stern, Ernie Hudson, Hector Elizondo, and Meg Foster. Ernie Hudson shall never die.