Terminator Genisys is a 2015 American science fiction action film serving as a reboot and the fifth installment in the Terminator franchise. Directed by Alan Taylor from a screenplay by Laeta Kalogridis and Patrick Lussier, the film stars Arnold Schwarzenegger reprising his role as the Terminator, alongside Jason Clarke, Emilia Clarke, Jai Courtney, J. K. Simmons, and Lee Byung-hun.