Who wrote and directed the film "It Follows," starring Olivia Luccardi? 
It Follows: It Follows is a 2014 American supernatural psychological horror film written and directed by David Robert Mitchell. It Follows:  It stars Maika Monroe, Keir Gilchrist, Daniel Zovatto, Jake Weary, Olivia Luccardi, and Lili Sepe.
i don't know