Guest Stars Navi Rawat as Amita Ramanujan Lyle Kanouse as Trainspotter Neil Patrick Harris as Ethan Burdick Jamie McShane as Paul Ballard Tom Irwin as Dr. Stephen Atwood Susan Egan as Becky Burdick Fay Wolf as Kyono Greg Zola as Carl Mittendorf Ian Barford as Mikey Michael Cutt as Parole Officer Co Starring Matthew Yang King as Matt Li Susan Beaubian as FBI Computer Tech #2 Adam J. Smith as FBI Computer Tech #3 Emma Prescott as Emily Burdick Murphy Cross as Meredith