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 brief shots coming from the Westfield MainPlace and Los Cerritos Center, to flood control channels in the San Fernando Valley, which played host to the chase between the Terminators and John; a river had to be redirected to allow filming on the otherwise wet channels. Cameron and his crew also filmed "Terminator 2" at The Corral Bar and the Lake View Medical Center (known as Pescadero State Hospital for the Criminally Insane in the film), both located in Lake View Terrace. The external shots of Cyberdyne Systems Corporation were filmed on location at an office building on the corner of