Teen Wolf's Beacon Hills will get a number of new residents during season 5.

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Ever since season 3, Teen Wolf has been slowly adding new characters as some of the old favorites slip away. The upcoming 20-episode season will be no exception to this rule

Departures by Allison (Crystal Reed), Jackson (Colton Haynes), Isaac (Daniel Sharman), Aiden (Max Carver), and Ethan (Charlie Carver) made way for the addition of Kira (Arden Cho), Malia (Shelley Hennig), Liam (Dylan Sprayberry), Parrish (Ryan Kelley), and Mason (Khylin Rhambo), and at least three more actors will join the cast this summer.

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Pretty Little Lairs' Cody Christian will enter the story as a 19-year-old senior who recently moved to the supernaturally charged town (I guess he isn't too bothered by the shockingly high unsolved murder rate in Beacon Hills). Named Theo, the newbie will come in search of a pack, and MTV reports that he may have past ties to the California suburb.

Meanwhile, Corey and Lucas will make an appearance in episode 4. The couple will encounter problems when Lucas undergoes a bit of a personality change and Corey lands in the ER with some strange wounds, according to TV Line.

Teen Wolf only started filming in early February, so fans can probably expect several other new characters before the season is through.

Find out more when Teen Wolf returns to MTV this summer. Click the video below to see a preview for the season 4 finale.