page_title: Production of Jurassic World
section_title: Development
hierarchical_section_title: Production of Jurassic World / Development
caption_attribution_description: English: Steven Spielberg at the 2011 San Diego Comic-Con International
context_page_description: Production of the 2015 film Jurassic World was stalled for years in development hell while the film's storyline underwent numerous revisions. Development of the film, known then as Jurassic Park IV, began in 2001. William Monahan was announced as screenwriter in 2002, and the film was scheduled for a 2005 release. When Monahan left to work on another project, he was replaced in 2004 by John Sayles. By 2005, the start of production had stalled, as executive producer Steven Spielberg was not satisfied with any of the script drafts. In 2006, Jurassic Park III director Joe Johnston was set to direct the film, which was subsequently expected for release in 2008. By 2010, filming had yet to begin. Johnston and Spielberg intended to work on the film following the completion of their own respective film projects. Writer Mark Protosevich was hired in 2011, although two story treatments by him were rejected.
  After a final story idea was chosen, Rick Jaffa and Amanda Silver were hired in 2012 to write a draft of Jurassic Park IV that would incorporate ideas from Spielberg.
context_section_description: In March 2001, Jurassic Park III director Joe Johnston said he and executive producer Steven Spielberg had discussed a story idea for a fourth Jurassic Park film, which Johnston was not interested in directing. In May 2001, Spielberg had Amblin Entertainment commence development of ideas for Jurassic Park IV, which he planned to produce. Late in Jurassic Park III's production, Spielberg devised a story idea he believed should have been used for the third film. In June 2001, Johnston announced he would not direct the film and that Spielberg had a story idea that would extend the Jurassic Park series' mythology. Johnston said the film would feel like a departure from the previous films, implying it would not be set on an island. Johnston also said it would not involve the Pteranodons from the ending of Jurassic Park III, then later hinted it would.
  Actor Sam Neill, who portrayed Dr. Alan Grant in two previous films in the series, said he could not imagine a way for his character to be involved in another film. Neill was contracted for three films; other actors from Jurassic Park III were also contracted for a potential fourth film. In April 2002, it was reported that the fourth Jurassic Park film would be the last in the series and that it would ignore events portrayed in its predecessor. In June 2002, Spielberg confirmed plans for a fourth film, which he hoped Johnston would direct. Spielberg also said he considered the film's story idea the best one since the first film. By October 2002, Neill was being considered for a possible role in the film. The following month, William Monahan was announced as the screenwriter, with Spielberg and Kathleen Kennedy as producers. Universal Pictures would be involved in the film's production. The film was scheduled for a mid-2005 release.
  In January 2003, Jeff Goldblum said he had been asked to stay available for a possible return of his character Dr. Ian Malcolm. At the end of the month, it was reported the story would partially involve dinosaurs migrating to the Costa Rican mainland. A team of experts, including Alan Grant and Ian Malcolm, would chart an expedition to an offshore island and discover the dinosaurs breeding freely. Part of the plot would involve the characters devising a way to restrict the spread of the dinosaurs and prevent an ecological disaster. Early concept art also depicted genetically engineered human-dinosaur mercenaries. Stan Winston's special effects studio, which worked on the previous films, was in the design phase for the film as of April 2003. Winston intended for the special effects to be more advanced than in the previous films, for instance by creating animatronics of Velociraptors with internal motors, providing better control and movement. Winston said Spielberg wanted to adapt several unfilmed scenes from Michael Crichton's Jurassic Park novel and its sequel The Lost World. By July 2003, Keira Knightley was in consideration for two roles, including a small role as a granddaughter. Monahan's first draft of the script was finished later that month; the story was not set in a jungle, as in previous films. Neill confirmed he would reprise his character; filming was set to begin in 2004 in California and Hawaii.
  In September 2003, Richard Attenborough said he would reprise his role as John Hammond. The following month, paleontologist Jack Horner said he would return as technical adviser for the fourth film, hinting it would feature a Velociraptor. He was later asked about a hypothetical idea of humans evolving from dinosaurs rather than mammals; Horner responded, "Keep thinking about that, and in a couple of years go see Jurassic Park 4". Knightley's character was written out in late 2003. In March 2004, Johnston said he had not been asked to direct the film and hoped Spielberg would direct it. Johnston said a story that would take the series in a completely different direction "away from the island and away from the T. rex and all this" was being written. In April 2004, script doctors were being sought to work on the film's story, which involved dinosa
caption: Steven Spielberg was the film's executive producer
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