Emery had a recurring role on the hit MTV series "Teen Wolf" as season three's main antagonist Deucalion, a blind but powerful Alpha werewolf who leads a pack consisting entirely of Alphas. Emery reprised the role in season five: "To prove not only to others, but also to himself, that Deucalion is capable of being true and noble." He would return once again for the final season of the show. He won multiple best actor awards for his role as Richard Pine in Bill Hanson's adaptation of Stephen King's Survivor Type. On the lighter side, Emery is the creator, director and star of E&N with Ed Neusbit, a comedic news parody show offering "all the news you never knew you needed". Other recurring roles include "Daredevil", "Shameless", "Last Resort", "Good Behavior" and "Scream". In 2020, Emery joined the cast of Netflix series "Dash & Lily" as Lily's father.