"Once Upon a Time in Hollywood" is a 2019 comedy-drama film written and directed by Quentin Tarantino. It is a co-production between the United States, United Kingdom, and China. It features a large ensemble cast led by Leonardo DiCaprio, Brad Pitt, and Margot Robbie.

"Once Upon a Time in Hollywood" premiered at the 2019 Cannes Film Festival on May 21, 2019, and was theatrically released in the United States on July 26, 2019 and in the United Kingdom on August 14. The film has grossed $374 million worldwide and received praise from critics for Tarantino's direction and screenplay, the performances (particularly from DiCaprio and Pitt), cinematography, soundtrack, sound design, costume design, and production values.

"Once Upon a Time in Hollywood" takes place in 1969 in Los Angeles. Actor Rick Dalton, the former star of the 1950s Western television series Bounty Law, finds his career faltering due to ongoing alcoholism issues. Dalton laments to Cliff Booth, his best friend and stunt double, that his career is over. Booth, a war veteran who lives in a derelict trailer next to a drive-in in Van Nuys, attempts to bolster Dalton's self-confidence. Meanwhile, actress Sharon Tate and her husband Roman Polanski have just moved into the home next door to Dalton's. Dalton hopes to befriend the couple and use Polanski to restore his leading man status.

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