Westworld is a 1973 science fiction film written and directed by Michael Crichton. The film is set in an amusement park called Delos, which is populated by lifelike androids. The park is divided into three themed worlds: Western World, Medieval World, and Roman World. Guests can indulge in their fantasies without fear of retaliation from the androids, which are programmed to follow strict protocols. However, when a system malfunction occurs, chaos ensues as the androids begin to pose a real threat to the visitors.

Yul Brynner, Richard Benjamin, James Brolin