Stranger Things” is coming back soon and its second season is finally taking shape, including the addition of two new cast members as season regulars. On top of this, two existing stars are officially staying.

The Duff Brothers have announced the addition of Sadie Sink and Dacre Montgomery to the already impressive "Stranger Things" cast, in the form of a step-brother and sister duo named Billy and Max. Sadie will play the role of a tough girl with a complicated history, who tends to act more like a boy and to be suspicious of others, while Dacre plays her step-brother, a young lady-killer who steals away everyone’s girlfriends, drives around in a black Camaro and is generally good at drinking games.

However, despite his popularity with the girls, he reportedly hides an unpredictable and violent character.

As for Noah Schapp, who plays Will and Joe Keery in the role of Steve, they are both officially series regulars on “Stranger Things.”

'Stranger Things' second season to see 'compelling new characters'

According to a report by The Hollywood Reporter, not many details have leaked about "Stranger Things" season two as yet, but reportedly the new roles of Billy and Max are just two of three faces expected to join season two of the popular 1980s-era show. The executive producer, Shaw Levy, told them there will be a handful of compelling new characters in season two, but the “core group” is still first and foremost, while they gradually introduce multi-generational, and often intriguing, new characters.

The International Business Times says that the third character is yet to be cast, so fans will have to wait for more news.

'Stranger Things' new characters are not new to the screen

As for the two new additions, sink started her acting career on stage, in the Broadway “Annie” revival and played a role opposite Helen Mirren in “The Audience,” also on Broadway.

She’s been on the small screen, too, in shows like “American Odyssey” and “The Americans.” Sadie also guest-starred on another Netflix series "Unbreakable Kimmy Schmidt." Her TV step-brother, Montgomery, plays Red Ranger Jason Lee Scott in “Power Rangers.”

Meanwhile the kids from “Stranger Things,” including Millie Bobby Brown (Eleven), Gaten Matarazzo and Caleb McLaughlin had a lot of fun getting funky at the Emmys recently, as can be seen in the video below.

Despite the news of the extra cast, fans of “Stranger Things” will still need to wait until summer 2017 for the new, upcoming season 2.

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