Dylan O'Brien as Stiles Stilinski

Tyler Posey as Scott McCall

Holland Roden as Lydia Martin

Crystal Reed as Allison Argent

Colton Haynes as Jackson Whittemore

Shelly Hennig as Malia Tate

Arden Cho as Kira Yukimura

Tyler Hoechlin as Derek Hale

Cody Christian as Theo Raeken

Dylan Sprayberry as Liam Dunbar

Max Carver as Aiden

Daniel Sharman as Isaac Lahey

So that's the main cast. There will be others, they just won't be as main as them. I'll list them now.

Charlie Carver as Ethan
JR Bourne as Chris Argent
Jill Wagner as Kate Argent
Melissa Ponzio as Melissa McCall
Linden Ashby as Sheriff Stilinski
Khylin Rhambo as Mason Hewitt

So there it is.

Enjoy.