Apparently he already started casting:
Sources say that Tarantino is putting the finishing touches on the script and that Brad Pit and Jennifer Lawrence have been approached. Studios could receive the package after Labor Day, according to one source. The plan is to shoot in 2018, possibly in the summer.
Script details are fuzzy but one of the stories centers on Sharon Tate, the actress and wife of director Roman Polanski who was murdered by Manson and his followers in 1969.
