Biography: David Manis is best known for his guest-star roles on The X-Files, Bull, and The Blacklist, as well as an extensive career in the theater. He has appeared in 12 Broadway shows, including To Kill A Mockingbird, The Curious Incident of the Dog in the Night-Time, War Horse, The Coast of Utopia, and Arcadia. As a playwright, his work includes "Romeo Rosaline Potpan Juliet," "Words Fail Me," and "Pretending To Be Danish."