Futureworld is a 1976 sequel to the 1973 science fiction film Westworld. It was written by George Schenk and Mayo Simon, and directed by Richard T. Heffron. The cast included Peter Fonda, Blythe Danner, and Arthur Hill. There is also a cameo appearance by Yul Brynner in a dream sequence. Other than Brynner, none of the cast members from the original film appear in this one.