James Cameron Schwarzenegger also returned in his role as The Terminator, but this time as a protector. Unlike Schwarzenegger's character—the T-800 Terminator which is made of a metal endoskeleton—the new villain of the sequel, called the T-1000, is a more advanced Terminator made of liquid metal, and with polymorphic abilities. The T-1000 would also be much less bulky than the T-800. For the role, Cameron cast Robert Patrick, a sharp contrast to Schwarzenegger. Cameron explained, "I wanted someone who was extremely fast and agile. If the T-800 is a human Panzer tank, then the T-1000 is a Porsche." Cameron had originally wanted
Terminator 2: Judgment Day son Dalton plays her on-screen son in a dream sequence set in a playground. Sven-Ole Thorsen played a security guard when John is at the Galleria with his friend Tim. DeVaughn Nixon played Danny Dyson, the son of Miles and Tarissa Dyson. Talk of a potential sequel to "The Terminator" arose soon after its release, but several outstanding issues precluded such a production. There were technical limitations regarding computer-generated imagery, a vital aspect of the film that would be crucial in the creation of the T-1000 Terminator. The production of James Cameron's 1989 film "The Abyss" provided the proof of