Tyler Posey as Scott McCall
Holland Roden as Lydia Martin
Dylan O'Brien as Stiles Stilinski
Shelley Hennig as Malia Tate/Hale
Dylan Sprayberry as Liam
Tyler Hoechlin as Derek Hale
Crystal Reed as Allison Argent
Linden Ashby as Sheriff Stilinski
Melissa Ponzio as Melissa McCall
Arden Cho as Kira Yukimura
JR Bourne as Chris Argent
Daniel Sherman as Isaac Lahey
Charlie Carver and Max Carver as Ethan and Aiden
Lan Bohen as Peter Hale
Tamlyn Tomita as Mrs. Yukimura
Meagan Tandy as Braeden