Stranger Things adds new cast members for season 2 

Nick Jonas, Janelle Monae, James Corden and more at EW\'s ultimate pop culture festival.

(Jemal Countess/Getty Images; Stefanie Keenan/Getty Images for Fandango)

'Stranger Things': See David Harbour's audition as Eleven

'Stranger Things': Barb is 'fully dead,' says David Harbour

'Stranger Things' stars tease 'insane' season 2, love triangle

is perhaps the most eagerly anticipated series return of 2017, and we now have some new details: EW has confirmed that newcomers Dacre Montgomery and Sadie Sink have landed major roles in the

) is “Billy, Max’s hyper-confident, and edgy older step-brother. He steals girlfriends away from their boyfriends, is great at drinking games, and drives a black Camaro. But lurking under his apparent charisma, is a violent and unpredictable nature.”

) will play “Max, a tough and confident girl whose appearance, behavior and pursuits seem more typical of boys than of girls in this era. She has a complicated history and is generally suspicious of those around her.”

In addition to those castings, Joe Keery (Steve Harrington) and Noah Schnapp (Will Byers) have been upped from recurring stars to regular cast members for

creators The Duffer Brothers previously told EW in August that there would be four new characters coming to the show.

\'Meg\': First look at Jason Statham\'s giant shark movie

\'The Lovely Reckless\' author Kami Garcia on tough dads and fast cars

Spike Lee \'She\'s Gotta Have It\' Netflix series casts lead

Second \'Big Brother: Over the Top\' evictee explains critical mistake

\'NCIS\' to introduce more of Ellie Bishop\'s family

Marlee Matlin responds to report Trump mocked her for being Deaf

See Photos From People\'s Ones to Watch Party

Breaking Down the New Trailer for \'Rogue One: A Star Wars Story\'

The Biggest Moments From 20 Seasons of \'South Park\'