Vanilla Sky began not in a Hollywood development meeting but at the 1998 Sundance Film Festival, where Tom Cruise watched Alejandro Amenábar's 1997 Spanish film Abre los ojos (Open Your Eyes) and was immediately struck by it. Cruise and his producing partner Paula Wagner optioned the remake rights on the spot, then set about finding the right director. To entice Cameron Crowe — with whom Cruise had made Jerry Maguire — he invited Crowe to his house to watch Amenábar's film. Crowe agreed to direct and write the adaptation himself. The film was released on December 14, 2001, on a budget of $68 million and grossed $203 million worldwide despite receiving sharply divided critical reviews. It received one Academy Award nomination: Best Original Song for Paul McCartney's 'Vanilla Sky,' written specifically for the film after Crowe showed McCartney approximately thirty minutes of footage. Cameron Diaz received both a Golden Globe and a Screen Actors Guild nomination for her performance as Julie. The film has no opening credits — a deliberate choice — and Crowe intentionally retained shots of the World Trade Center in the final cut after the September 11 attacks as a tribute, even though they had been filmed the previous year. The Times Square scene, in which David runs alone through a completely empty Manhattan intersection, was filmed in the early hours of a Sunday morning after the production was granted unprecedented permission to shut down one of the world's busiest intersections. Tom Cruise ran the deserted street with no CGI. The scene took months to plan and approximately three hours to shoot. Crowe later described the entire film as 'a movie of clues and signposts, like the cover of Sgt. Pepper — every time you look at it you see something different,' and has said that his own interpretation of the ending changes every time he revisits the film.

The film's source material is essential context. Abre los ojos was written by Amenábar and his collaborator Mateo Gil and released in Spain in 1997 — the same year Penélope Cruz appeared in it as Sofía. When Crowe adapted it, Cruz was brought back to play the equivalent character, Sofia Serrano, making her one of the very rare actors to reprise a role across a foreign-language original and its Hollywood remake. The story follows David Aames, played by Tom Cruise, who is introduced as a wealthy, self-absorbed publishing executive who inherited the company after his parents' deaths and is now fighting a board of seven shareholders who want to wrest control from him. He calls them 'the seven dwarfs.' His social life revolves around a casual, one-sided arrangement with Julie Gianni (Cameron Diaz) — she is deeply attached; he treats the relationship as convenient. When David meets Sofia at a party thrown by his closest friend Brian Shelby (Jason Lee), the emotional dynamic shifts immediately. Sofia is different from the women in his orbit: direct, funny, and unimpressed by his charm in a way that makes her genuinely interesting to him. The night they spend together is the film's warmest sequence — David sleeping on her floor, the two talking until dawn. What follows the next morning is catastrophic: Julie picks David up, confronts him about Sofia, and drives them both off a bridge in a suicide attempt that kills her and leaves David severely disfigured. The physical transformation is the film's central visible trauma: David's face, formerly his primary social weapon, is destroyed. He begins wearing a prosthetic mask. Dr. Curtis McCabe (Kurt Russell) is introduced as the psychiatrist David speaks with from a prison cell, providing the film's interrogation structure. What McCabe represents within the story's logic is one of the questions the film holds until its final act. Brian Shelby's role as David's loyal but increasingly confused friend grounds the more surreal sections of the film in recognizable human concern. Jason Lee plays the part with a quality of disbelief that serves the audience's own growing disorientation.

The film's score was composed by Nancy Wilson — Cameron Crowe's wife at the time, and the guitarist of Heart — who built the musical environment around the film's emotional instability rather than its genre mechanics. The soundtrack also includes Radiohead's 'Everything in Its Right Place' (which opens the film), Bob Dylan, R.E.M., Jeff Buckley, and Paul McCartney's title song. The combination creates a listening experience that feels like a personal playlist — which is consistent with Crowe's filmmaking identity — but also maps the film's emotional territory from the warmth of Brian's party through the dread of the mask period to the strange dissolving quality of the dream sequences. The film's key structural revelation arrives when David, in the middle of his waking nightmare, finally calls out for 'tech support' and Edmund Ventura (Noah Taylor) appears — but as a digital avatar, not the human man David met earlier. Ventura explains that David has been in cryonic suspension with Life Extension for 150 years. After Sofia rejected him following the accident and his life collapsed entirely, David chose Life Extension's lucid dream option: voluntary cryogenic preservation with the consciousness maintained inside a constructed dream of the client's design. The dream was supposed to be perfect. David's subconscious guilt and trauma over Julie's death corrupted it, introducing distortions and horror into what should have been a seamless fantasy. The glitch the film presents as its central mystery is not mechanical but psychological — David's conscience refusing to let him rest inside a beautiful lie. Tech Support then leads David to the roof of an impossibly tall building and offers him his final choice: have the dream reset and continue, or leap off the roof and wake up in the real world — 150 years in the future — where science may have progressed enough to restore his face and give him a new life. The leap of faith is particularly meaningful because David is explicitly afraid of heights, and he himself chose that as the method of waking precisely because it would be the hardest thing for him to do.

The ending of Vanilla Sky has been the subject of extensive debate partly because Cameron Crowe has publicly refused to settle on a single interpretation. He told Vulture: 'Sometimes I watch it, and I have a completely different take on what the story is, where the splice comes, and what it's all about.' Three broad readings have been established by critics and audiences. The first and most literal is Tech Support's account: everything from a certain point is the lucid dream, David has spent 150 years in suspension, and his jump ends the dream and begins a genuine new life. The second reading suggests the entire film — including the apparently 'real' scenes before the accident — may be part of the dream, since the opening Times Square sequence is a recognized dream signal and the film uses visual texture to suggest the unreal even in its earliest scenes. The third reading, which Crowe himself has entertained, is that the film is simply a dream of the conventional kind, with no sci-fi mechanism at all. The film opens and closes with the same line: 'Open your eyes.' That bookend was in the original Abre los ojos and Crowe kept it precisely because its meaning changes completely depending on which reading the viewer adopts. For the purposes of quiz content, the confirmed facts within the film's own internal logic are: David chose Life Extension's lucid dream program after his real life deteriorated; the dream was corrupted by guilt; Tech Support is played by Noah Taylor, the same actor who plays Edmund Ventura; David has been in suspension for 150 years; and the leap of faith at the film's end is David's own method of waking, chosen because of his fear of heights. Crowe described the film as a dialogue with Amenábar's original rather than a translation of it, and the cult following the film has developed over the decades reflects its genuine staying power as a piece of emotional science fiction that asks harder questions about desire and self-deception than it ever fully answers.