Terminator: Genisys 2015 American science fiction action film directed by Alan Taylor and written by Laeta Kalogridis and Patrick Lussier. starring Arnold Schwarzenegger, Emilia Clarke, Jason Clarke, Jai Courtney, Matt Smith, Lee Byung-hun, Dayo Okeniyi, Courtney B. Vance, Sandrine Holt, J. K. Simmons....