Genre: Action , Sci-Fi . Release: 26 October 1984 (USA). Cast: Arnold Schwarzenegger , Linda Hamilton , Michael Biehn . Synopsis: A human-looking indestructible cyborg is sent from 2029 to 1984 to assassinate a waitress, whose unborn son will lead humanity in a war against the machines, while a soldier from that war is sent to protect her at all costs.