On this day in movie history - Westworld (1973):

Westworld

directed and written by Michael Crichton,

was released in the United States on August 17, 1973.
Music by Fred Karlin.

Cast:

Yul Brynner, Richard Benjamin, James Brolin, Alan Oppenheimer, Victoria Shaw, Dick Van Patten, Linda Gaye Scott, Steve Franken, Michael Mikler, Terry Wilson, Majel Barrett, Anne Randall, Nora Marlowe, Charles Seel, Robert Patten, Julie Marcus, Chris Holter.