Cody Allen Christian (born April 15, 1995) is an American actor. He is best known for his recurring role as Mike Montgomery in the ABC Family series Pretty Little Liars. He is also currently playing the role of Theo Raeken in season 5 of MTV's Teen Wolf
Christian plays Aria Montgomery's younger brother, Mike, on Pretty Little Liars. His other acting credits includeBack to You, True Blood and Grey's Anatomy. He also appeared in the 2011 film Kill the Irishman, as well as starring in The Starving Games, a parody of The Hunger Games films.
He is appearing in season 5 of the show Teen Wolf, playing a werewolf/werecoyote hybrid named Theo.