From writer/director Ari Aster (Hereditary) and starring Florence Pugh, Jack Reynor, William Jackson Harper, and Will Poulter. MIDSOMMAR — Now Playing. SUBSCRIBE: http://bit.ly/A24subscribe THIS SUMMER, LET THE FESTIVITIES BEGIN. Release Date: July 3, 2019 Director: Ari Aster Cast: Florence Pugh, Jack Reynor, William Jackson Harper, Vilhelm Blomgran, Archie Madekwe, Ellora Torchia, Will Poulter Visit Midsommar