Teen Wolf combines friendship and love in the context of horror and high school, staring Tyler Posey as the newly bitten werewolf, 'Scott McCall,' Crystal Reed as the mysterious new girl in town, 'Allison,' Dylan O'Brien as Scott's best friend 'Stiles,' Tyler Hoechlin as the older werewolf, 'Derek Hale' and Holland Roden as 'Lydia,' the popular girl with a secret.