Jonathan Groff as Holden Ford,[6] a special agent in the FBI's Behavioral Science Unit Holt McCallany as Bill Tench,[7] a special agent in the FBI's Behavioral Science Unit Hannah Gross as Deborah "Debbie" Mitford, Holden's girlfriend and a post-graduate student at University of Virginia[8] Anna Torv as Wendy Carr,[5] a psychology professor working towards tenure at a Boston university Cotter Smith as Shepard, unit chief of the FBI National Training Academy