Terminator Salvation (also known as Terminator 4: Salvation) is a 2009 American action film directed by Joseph McGinty "McG" Nichol and written by John Brancato and Michael Ferris based on characters by James Cameron and Gale Anne Hurd. It stars Christian Bale and Sam Worthington. It is the fourth installment in the Terminator franchise. In a departure from the previous installments, which were set between 1984 and 2004 and used time travel as a key plot element, Salvation is set in 2018 and focuses on the war between Skynet and humanity, with the human Resistance fighting against Skynet's killing machines. Bale portrays John Connor, a Resistance fighter and the franchise's central character, while Worthington portrays cyborg Marcus Wright. Terminator Salvation also features Anton Yelchin as a young Kyle Reese, a character first introduced in The Terminator, and depicts the origin of the T-800 Model 101 Terminator.