History Trivia / OnceUponATimeInHollywood

* PlayingHamlet: 52 year old Luke Perry was a good two decades older than Wayne Maunder really was at the time.

*** Creator/DanielleHarris age 42 plays a member of the Manson Family. Her age is never specified. But she is clearly no longer than her mid-twenties.

* DuelingMovies: This movie is actually the ''third'' in 2019 to take inspiration from the Manson Family murders. A few months previously came ''The Haunting of Sharon Tate'', a horror movie starring Creator/HilaryDuff that was panned upon release and quickly forgotten and ''Charlie Says'', a drama starring Creator/MattSmith as Manson that received mixed reviews.

* ApprovalOfGod: Debra Tate was initially very apprehensive about the project as she feared the murder of her sister Sharon would be salaciously exploited (she's been defending her sister's memory against exploitation for decades), but after talking with Creator/QuentinTarantino and reading the script, she gave it her blessing.l

** Debra also admitted that she wept when she saw Creator/MargotRobbie perform as Sharon, saying that Robbie nailed the role: "[[HeartwarmingMoments I actually got to see my sister again nearly 50 years later]]."

** Debra also admitted that she wept when she saw Creator/MargotRobbie perform as Sharon, saying that Robbie nailed the role: "[[{{Heartwarming}} I actually got to see my sister again nearly 50 years later]]."

** Debra also admitted that she wept when she saw Creator/MargotRobbie perform as Sharon, saying that Robbie nailed the role: "[[MomentOfHeartwarming I actually got to see my sister again nearly 50 years later]]."

** Debra also admitted that she wept when she saw Creator/MargotRobbie perform as Sharon, saying that Robbie nailed the role: "[[CrowningMomentOfHeartwarming I actually got to see my sister again nearly 50 years later]]."

* ApprovalOfGod: Debra Tate was initially very apprehensive about the project as she feared the murder of her sister Sharon would be salaciously exploited (she's been defending her sister's memory against exploitation for decades), but after talking with Creator/QuentinTarantino and reading the script, she gave it her blessing.

* RealitySubtext: At least one reviewer ([[https://film.avclub.com/once-upon-a-time-in-hollywood-is-quentin-tarantino-s-1836636382 Katie Rife]] at Website/AVClub) claims the film has one for Tarantino. Rife speculates that like his protagonist Rick Dalton, Tarantino is "an established middle-aged white guy confronting his own impending irrelevance."

** As mentioned, Creator/BurtReynolds was originally intended to play George Spahn before his death. Creator/JamesMarsden was also intended to play a younger Reynolds, but his scenes were cut, perhaps because the casting joke wouldn't work without Reynolds in the film.

* RealitySubtext: At least one reviewer ([[https://film.avclub.com/once-upon-a-time-in-hollywood-is-quentin-tarantino-s-1836636382 Katie Rife]] at Website/AVClub) claims the film has one for Tarantino. Rife claims that like his protagonist Rick Dalton, Tarantino is "an established middle-aged white guy confronting his own impending irrelevance."

** Regular Tarantino contributors Creator/TimRoth and Creator/MichaelMadsen, plus Creator/JamesRemar who appeared in ''Film/DjangoUnchained'', all filmed scenes for the movie, but they were cut for time.

** Russian-American Costa Ronin plays the Polish Wojciech Frykowski.

** Creator/TomCruise was considered to star as Cliff Booth but had to back out due to scheduling conflicts with ''Top Gun Maverick''.

* FakeNationality: Chilean Lorenza Izzo as the Italian Francesca Cappucci.

* DuelingMovies: This movie is actually the ''second'' in 2019 to take inspiration from the Manson Family murders. A few months previously came ''The Haunting of Sharon Tate'', a horror movie starring Creator/HilaryDuff that was panned upon release and quickly forgotten.

** Creator/JamesMarsden was going to play Burt Reynolds, who in 1969 was a common guest star on TV westerns, as an in-joke with the real Reynolds also being in the film. It’s unclear whether he was cut because of Reynolds’ death.

* DeletedRole: Regular Tarantino contributors Creator/TimRoth and Creator/MichaelMadsen, plus Creator/JamesRemar who appeared in ''Film/DjangoUnchained'', all filmed scenes for the movie, but they were cut for time.

* ThoseTwoActors: Margot Robbie and Leonardo [=DiCaprio=] are reunited six years after ''Film/TheWolfOfWallStreet''.

** Regular Tarantino contributors Creator/TimRoth and Creator/MichaelMadsen, plus Creator/JamesRemar who appeared in one of Tarantino's prior films, all filmed scenes for the movie, but they were cut for time.

* RoleReprisal: Damian Herriman reprises his role as Charles Manson from ''Series/{{Mindhunter}}''.

* MeaningfulReleaseDate: The film comes out fifty years after the murders that were committed by the "family" of UsefulNotes/CharlesManson and took the life of Sharon Tate. It was actually set to come out on the anniversary day (August 9) but was pushed back one week by Sony out of respect after Debra Tate (Sharon's sister) called the initial release date "tacky and exploitative".

* ChannelHop: The film, like Tarantino's previous three movies, was initially to be produced by Creator/TheWeinsteinCompany. Following the company's big troubles due to the sexual abuse allegations on Harvey Weinstein, Tarantino looked for a new production house. The project ended up at Creator/SonyPictures.

* ApprovalOfGod: Debra Tate was initially very apprehensive about the project as she feared the murder of her sister Sharon would be salaciously exploited (she's defended her sister's memory against exploitation for decades), but after talking with Creator/QuentinTarantino and reading the script, she gave it her blessing.

* ThoseTwoActors: Margot Robbie and Leonardo [=DiCaprio=] are reunited six years after ''Film/TheWolfOfWallStreet''.