6. Rafal Zawierucha — Roman Polanski
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31-year-old Pole, Rafal Zawierucha, was a perfect candidate for the role of director Roman Polanski. Very few people had heard about Rafal before this film but after he worked with Tarantino, he will definitely have a career boost.
7. Damon Herriman — Charles Manson
Charles Manson might be the most dangerous criminal in the history of the US. He became the main villain of Once Upon a Time… in Hollywood. Manson was portrayed by 49-year-old Damon Herriman from Australia.
8. Dakota Fanning — Squeaky Fromme
Lynette “Squeaky” Fromme was a member of Charles Manson’s family. This little girl planned the assassination of the US president Gerald Rudolph Ford in 1975 and she was sentenced to life in prison. Dakota Fanning played her in the new film.
9. Brad Pitt (Cliff Boothe) — Hal Needham
Brad Pitt’s character Cliff Boothe didn’t actually exist in real life. But the iconic stuntman, Hal Needham, did exist and his story inspired the creators of Once Upon a Time… in Hollywood. Needham did really dangerous stunts in 310 films and 4,500 TV episodes. The craziest thing he has ever done was a jump from a 30 ft ledge on a moving stagecoach.
10. Leonardo DiCaprio (Rick Dalton) — Ty Hardin
Rick Dalton is also a fictional character but he was inspired by Ty Hardin. He was a western star and he became especially famous after his main role in the TV series Bronco.