Rick/Cliff relationship is reportedly inspired by the real-life actor and stuntman duo Burt Reynolds and Hal Needham. They are fictional characters, as is Rick’s agent Marvin Schwarz (Al Pacino). But it’s the colorful assortment of real-life figures from the period that make Once Upon A Time a Who’s Who of late- 60s Tinseltown.Australian Oscar nominee Margot Robbie stars as Sharon Tate, and another Aussie actor, Justified star Damon Herriman, plays Charles Manson.(Photo by Weinstein Company)Bruce Dern plays George Spahn, the California rancher who was persuaded to allow the Manson Family to live on his property. (Remember the Spahn Movie Ranch?) The role was originally, in fact, supposed to be played by Burt Reynolds, who died in September of 2018. In an interview with Rotten Tomatoes promoting his Certified Fresh film, The Mustang, Dern had this to say about Tarantino s film: All I can say is this is me telling you he s a magician, because in this movie, he did something mad. It s probably the most unique endeavor I ve seen a director undertake and do. Without ruining the movie for you I can t tell you what that is, but the minute you get to see it, you will say, Bruce Dern is absolutely right.' Dern continued: You ll know, because he did the single most unpredictable thing I ve ever seen a director do, in this movie. And I don t mean a moment; I mean the entire movie. Because, you know what, you probably remember something about the Manson Murders, and How horrendous! and so forth and so on. Well, everybody says, Oh my God! I can t wait til Quentin does the Manson Murders. There s a movie about that, I can t wait, and so forth and so on. Well, I won t say a word, but remember I told you what I told you. Moving on, Dakota Fanning plays Lynette “Squeaky” Fromme, a Manson disciple best known for trying to assassinate President Gerald Ford. Billions star Damian Lewis plays A-list actor and heartthrob Steve McQueen, then considered the coolest Hollywood star on the planet.(Photo by Columbia Pictures)Emile Hirsch plays celebrity hairstylist Jay Sebring, also killed in the Tate murders. Polish actor Rafal Zawierucha plays the young Roman Polanski, who was filming in London on the night his wife was killed by the Manson Family. Austin Butler plays Charles “Tex” Watson, the most vicious of the Manson Family killers, who was convicted of seven first-degree murders.Girls star/creator Lena Dunham plays Catherine “Gypsy” Share, a Manson follower who did not participate in the murders, while The Haunting of Hill House star Victoria Pedretti plays Manson Family member and convicted murderer Leslie (“Lulu”) Van Houten who was just 19 at the time of the slayings.Fittingly, Mike Moh plays martial arts icon Bruce Lee, who actually suspected Polanski briefly in Tate’s murder. Moh, who starred in Street Fighter: Assassin’s Fist, has paid tribute to Lee in several YouTube videos.And, sadly, Once Upon A Time marks the final on-screen role for Luke Perry, the Beverly Hills 90210 and Riverdale star who died suddenly on March 4 at the age of 52. Perry plays Scott Lancer, one of the main characters on the Western TV series Lancer, which ran on CBS from 1968 to 1970.Other stars playing both true-life and fictional characters include long-time Tarantino mainstays Michael Madsen and Tim Roth, as well as Kurt Russell, Timothy Olyphant, Lorenza Izzo, Maya Hawke, Rumer Willis, and Scoot McNairy.Keep in Mind Ryan FujitaniTarantino has been known to play hard and loose with history. Remember how Inglorious Basterds imagined an alternate reality in which American Jewish soldiers took their revenge on Hitler and murdered him at the height of WWII? Is it possible Once Upon A Time will put its own stamp on the most infamous, shocking crime of the 1960s, a crime that signaled a dark, bloody end to hippie culture? Dern s words seem to suggest it might.Sharon Tate’s sister Debra, who’s been very protective of her sister’s legacy and, according to an article on Nerdist.com, was already protesting the film even before she knew what it was about, told TMZ: “This movie is not what people would expect it to be when you combine the Tarantino and Manson names. Sounds like she approves. Get ready for the unexpected.Once Upon a Time in Hollywood opens everywhere on July 26.