T2-3D: Battle Across Time simultaneously at 30 frames per second. Several elements of "T2 3-D: Battle Across Time" have been patented by Universal, including the seat drop effect, the blending of live action and film, the trio of projection screens, and the simulated assault weapons. The film was shot at the abandoned Eagle Mountain iron ore mine, just north of Desert Center in California. The cast and crew from the first two Terminator films returned for the shoot, including Arnold Schwarzenegger as The Terminator, Linda Hamilton as Sarah Connor, Robert Patrick as T-1000, and Edward Furlong as John Connor. To achieve the 3-D effect
Terminator (character) each "model". The "Terminator" title has also been used as a generic name for other human-simulating characters in the "Terminator" universe, such as the liquid metal shapeshifting T-1000 antagonist in the sequel "" and a T-850 in the sequel "". The end credits of the first three "Terminator" films list Schwarzenegger's character as simply "The Terminator", while in "Terminator Genisys", he is credited as "Guardian". In "Terminator Salvation", a Terminator resembling Schwarzenegger created via facial CGI—used because Schwarzenegger's duties at the time as Governor of California prevented him from working on the film—over Roland Kickinger's on-set performance is credited as