Cast - Crew Arnold Schwarzenegger Arnold will play the T-850 in this third installment of The Terminator, programmed to protect and kill John Connor. Kristanna Loken Kristanna Loken will be the Terminatrix who goes up against Arnold in "T3: Rise of the Machines". Nick Stahl Nick Stahl has been cast for the part of a young twenty-something John Conner to star beside Arnold Schwarzenegger in T3: Rise of Machines. Claire Danes Danes will play the med student Kate Brewster. She is John's age, compassionate, athletic and intelligent. Kate is one who can hold her own with the guys. Alana Curry Curry will play the girlfriend of Bill Anderson (played by Brian Sites). Curry may be most remembered for her emotional screaming and crying while approached by the Terminatrix at a party. David Andrews David Andrews plays Robert Brewster.