B Brett Gelman D David Harbour M Maya Hawke D Dacre Montgomery C Caleb McLaughlin C Charlie Heaton J Joe Keery M Millie Bobby Brown F Finn Wolfhard N Noah Schnapp G Gaten Matarazzo S Sadie Sink N Natalia Dyer J Jamie Campbell Bower W Winona Ryder P Priah Ferguson C Cara Buono M Matthew Modine P Paul Reiser S Sean Astin S Shannon Purser N Nell Fisher A Amybeth McNu