Arka Evren

FILM · 1973 · USA

Westworld

35 archived facts 5 topics 1 source Last reviewed Oct 2026

26 Interesting Facts About Westworld

  1. #001

    Westworld (1973) featured the first use of computer-digitized images as part of a feature film (not merely monitor graphics), in the Gunslinger's point of view. Once the process had finally been refined enough to produce satisfactory results, each ten seconds of footage for the Gunslinger's pixelated point of view took only eight hours to generate.

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  2. #002

    Yul Brynner was in financial difficulty in the early 1970s and desperately needed money. With no other film work on offer at the time, he reluctantly agreed to take the role for $75,000, a sum equivalent to $485,648.65 in 2022.

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  3. #003

    (At about 1 hour 17 minutes) When acid is splashed on the Gunslinger robot's face, Yul Brynner's face was covered with an oil-based makeup mixed with Alka-Seltzer. A splash of water then produced the foaming effect.

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  4. #004

    Both Richard Benjamin and James Brolin were cast less than 48 hours before filming began.

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  5. #009

    The film is set in 1983.

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  6. #010

    Metro-Goldwyn-Mayer (MGM) reached the year's highest box-office gross.

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  7. #011

    It was shot in 30 days and released in cinemas five months later.

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  8. #012

    Michael Crichton re-edited the film's first cut because he found it long and boring. The deleted scenes include: the bank robbery and sales room scenes, the flying vehicle in which passengers initially fly over the desert, additional and longer dialogue scenes, more scenes of the robots going mad and killing guests (including a scene in which a guest is tied to a rack and killed when his arms are pulled), a longer chase scene in which the Gunslinger pursues Peter, and the Gunslinger washing his face with water after throwing acid at Peter. Crichton's assembly cut also had a different ending; a fight between the Gunslinger and Peter (staged and cut because it looked silly) and an alternative death scene in which the Gunslinger is killed with the same rack used to kill one of the guests.

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  9. #015

    (At about the 32nd minute) As malfunctions begin to appear in the robots and spread, the resemblance of the problem to a disease is discussed. This is a very early reference to computer viruses.

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  10. #016

    It is one of the last films shot on the backlot of the Metro-Goldwyn-Mayer (MGM) studios before it was sold to developers.

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  11. #017

    Michael Crichton would later use a similar plot about a theme park going terribly wrong and tourist attractions malfunctioning for his 1990 novel "Jurassic Park", which became the hit film Jurassic Park (1993) 20 years after this film. Crichton also wrote the screenplay for the Jurassic Park film adaptation.

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  12. #018

    It was the first feature film directed by Michael Crichton, but he did not direct another film for five years, until Coma (1978).

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  13. #019

    Delos shares its name with the Greek island of Delos, site of the largest slave market in the ancient Mediterranean.

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  14. #020

    Adjusted for inflation, the $1,000 daily fee charged to guests in 1983 would be more than $3,000 in 2023. That figure was updated to $7,547.82 in 2026.

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  15. #021

    Alan Oppenheimer, who plays the scientist in charge of the robots, later portrayed a character that would be recreated as Dr. Rudy Wells in The Six Million Dollar Man (1974).

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  16. #022

    Yul Brynner's character is known as the Gunslinger. Interestingly, the word "gunslinger" was only coined in the 1920s (and popularized in the 1950s) and has no direct connection to the American Old West.

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  17. #023

    Careful viewers of the film should spot Majel Barrett in the role of the robot brothel keeper. The actress was also known for her roles as Nurse Chapel and Mrs. Gene Roddenberry on Star Trek (1966).

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  18. #024

    The later Warner Bros. Television-Home Box Office (HBO) series Westworld (2016) continued to leave subtle hints that it could officially be considered a direct ("soft-reboot") continuation within the same story as Michael Crichton's film rather than a full reboot.

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  19. #025

    Some of the amusement park scenes were shot in the gardens of Harold Lloyd's mansion — specifically as the exteriors of Roman World — before the estate was divided into 15 parcels and sold in 1975.

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  20. #026

    The park recreates three eras of history: the Roman Empire, the Middle Ages and the Wild West. This is a nod to the early films made about gladiators, knights and cowboys. The later Warner Bros. Television-Home Box Office (HBO) series Westworld (2016) would expand the size of the overall Delos Park and add additional "Worlds" to the original Michael Crichton story universe.

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  21. #030

    It was shot approximately between February and March 1973.

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  22. #031

    Although John Blane is supposed to be a "seasoned" guest returning to the park, he is consistently a bad shot with a gun. He misses when shooting at a rattlesnake and is later shot by the Gunslinger. Peter Martin, by contrast, states that he has never fired a gun before yet successfully hits the Gunslinger multiple times.

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  23. #032

    The success of Westworld (1973) inspired the 1976 sequel Futureworld (1976), whose plot also takes place at Delos. This time, however, the robots figured in a world-domination conspiracy planned by a Delos engineer. Although Yul Brynner played a brief role in the film, "Futureworld" was a pale imitation of the original and effectively ended a potential "Westworld" film series. There was, however, a 1980 television spin-off called Beyond Westworld (1980) that lasted only one season.

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  24. #033

    The plot focuses on Westworld (1973) and Medieval World guest interactions, except for the final moment when Roman World robots attack the guests with swords. However, the middle-aged woman character shown riding the tram to Delos for the first time is seen dead in a single shot after the Roman World massacre. Yet she had no scenes in Roman World as part of the story.

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  25. #034

    Dick Van Patten and Alan Oppenheimer appeared together in Freaky Friday (1976).

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  26. #035

    On the film review aggregator site Rotten Tomatoes, the film received mixed reviews from critics (84% of 45 reviews) and users (70% of more than 10,000 votes). Compared with the average of Michael Crichton's six feature films, this film's score is considerably higher than both the overall critics' score (57.7%) and the average of all users (49.2%).

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