Coincidentally, Pitt's character, Rick Dalton, lives right next door to Tate, the starlet who was one of the victims in the Charles Manson murders.

The ensemble cast also will feature Emile Hirsch as Jay Sebring, Clifton Collins as Ernesto The Mexican Vaquero, Keith Jefferson as Land Pirate Keith and Nicholas Hammond as director Sam Wanamaker.

The movie earlier cast Margot Robbie, Burt Reynolds, Timothy Olyphant, Kurt Russell, Michael Masden and Tim Roth in supporting roles.

Fanning is also set to take on her first-time role as producer for Kirsten Dunst’s adaptation of The Bell Jar, in which Fanning will also star. She also appears in Ocean's 8 and directed Hello Apartment, starring Eve Hewson and Tom Sturridge.

Lewis is best known for leading roles on Homeland and Billions.

Once Upon a Time in Hollywood, which is being produced by Tarantino, David Heyman and Shannon McIntosh, is set to be released Aug. 9, 2019.