VIDEO : Margot Robbie Joins Cast of Quentin Tarantino?s New Movie

'I, Tonya' star Margot Robbie has been cast to play actress Sharon Tate in Quentin Tarantino?s upcoming movie ?Once Upon a Time in Hollywood?. The movie will star Leonardo DiCaprio and Brad Pitt as an actor and stuntman respectively, living in 1969 Los Angeles. The film is currently scheduled to hit theatres on August 9, 2019.