Garrett Wareing (born August 31, 2001) is an American actor best known for his role as Stetson "Stet" Tate in the 2014 film Boychoir, as Zach in Pretty Little Liars: The Perfectionists and as TJ Morrison in seasons 2 and 4 of Manifest. Description above from the Wikipedia article Garrett Wareing, licensed under CC-BY-SA, full list of contributors on Wikipedia.