Robbie joins an impressive cast lead by Leonardo DiCaprio and Brad Pitt.
Actors including Burt Reynolds is among a number of high-profile names in talks to star in Quentin Tarantino's ninth film, Once Upon a Time in Hollywood.
Leonardo DiCaprio is playing said faded TV star, Rick Dalton, opposite Brad Pitt as his stunt double, Cliff Booth.
Robbie will playing actress Sharon Tate, who was murdered by members of the Manson Family in Benedict Canyon, Los Angeles. Tate was the wife of filmmaker Roman Polanski, who will also be featured in the film as a character.
-Window To News
