The second season of the American science fiction-horror web television series Stranger Things, titled onscreen as Stranger Things 2, premiered exclusively via Netflix’s web streaming service on October 27, 2017. The series was created by the Duffer Brothers, who are also executive producers along with Shawn Levy, Dan Cohen and Iain Paterson. The second season stars Winona Ryder, David Harbour, Finn Wolfhard, Millie Bobby Brown, Gaten Matarazzo, Caleb McLaughlin, Noah Schnapp, Sadie Sink, Natalia Dyer, Charlie Heaton, Joe Keery, Dacre Montgomery, Cara Buono, Sean Astin and Paul Reiser. Brett Gelman, Linnea Berthelsen and Matthew Modine also appear in recurring roles.