The Abyss - Part 4

Cameron's uncompromising drive might bristle, but it's helped him break both new ground and box office records. The stars of the abyss were pushed to their mental and physical limits during grueling underwater scenes. Cameron wrote in the pseudopod scene where Mary Elizabeth comes out and talks because he already had envisioned Terminator 2. He knew if he didn't crack it, he would never be able to do Terminator 2.