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"Killers of the Flower Moon," directed by Martin Scorsese, delves into the sinister history of Oklahoma.

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The first teaser trailer for the highly anticipated film premiered at the Cannes Film Festival.

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Academy Award winner Leonardo DiCaprio narrates the teaser as his character, Ernest Burkhart.

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The teaser focuses on Ernest's doomed romance with his wealthy Osage wife, Mollie Kyle.

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Robert De Niro plays the villainous uncle of Ernest, while Jesse Plemons portrays an upright lawman.

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Brendan Fraser takes on the role of lawyer W.S. Hamilton in the action-packed teaser.

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The trailer hints at funerals, fisticuffs, shootouts, a fire, an explosion, and an overall sense of foreboding.

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"Killers of the Flower Moon" will have a limited release on October 6, following its Cannes premiere.

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The film, produced by Apple Original Films, will have a wide theatrical release on October 20.

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The global streaming debut on Apple TV+ is yet to be announced.

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Paramount Pictures is partnering with Apple for the film's theatrical release.

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The film is based on the tragic events described in David Grann's book, "Killers of the Flower Moon."

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It explores the murders of Osage Nation citizens during the 1920s in Oklahoma.

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The killings, known as the "Reign of Terror," prompted an investigation by the FBI.

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The adaptation aims to bring awareness to a little-known part of American history.

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"Killers of the Flower Moon" is expected to be a strong contender during the awards season.

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Lily Gladstone's performance is already generating buzz as a potential Academy Award nominee.

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The film boasts an impressive cast, including John Lithgow and music stars Jason Isbell and Sturgill Simpson.

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Attention to period details and Osage culture is evident in the teaser.

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The filmmakers worked closely with Osage Nation representatives and consultants to ensure respectful storytelling.