Guest Stars Navi Rawat as Amita Ramanujan Lyle Kanouse as Trainspotter Jamie McShane as Paul Ballard Neil Patrick Harris as Ethan Burdick Tom Irwin as Dr. Stephen Atwood Susan Egan as Becky Burdick Fay Wolf as Kyono Ian Barford as Mikey Greg Zola as Carl Mittendorf 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 Murphy Cross as Meredith Emma Prescott as Emily Burdick