Scientists surgically transform the Creature into an air-breather, but being able to live on land is not enough to make him comfortable with humans. Enraged, he turns his wrath on anyone who comes near as he desperately tries to return to the deep-water world where he truly belongs.
Movie tag line: "A city screams in terror!"
Production companies:
Character: Dr. Thomas Morgan
Character: Dr. William Barton
Character: Marcia Barton
Character: Jed Grant
Character: Dr. Borg
Character: Dr. Johnson
Character: Capt. Stanley
Character: Morteno
Character: Mrs. Morteno
Character: Steward
Character: State Trooper
Character: The Gill Man (in water)(uncredited)
Character: The Gill Man (on land)(uncredited)
Character: Ranch Hand (uncredited)