Guest Stars Brett Cullen as The Stranger Elizabeth Bogush as Elodie Radcliffe David Wilson Barnes as Spalding Stark Ty Doran as Theo Wolf Jefferson Mays as Norman Devane Gregory Konow as Anatole Kuragin Kevin O'Rourke as Dr. Kelvin Mitchell Billy Eugene Jones as WMDD Agent Zachary Unger as Howie Keller Co Starring Sue Jean Kim as Sakiya Jimmie Saito as Fudo Rich Mollo as Charles Radcliffe Audrey Heffernan Meyer as Linda Bloom Ross DeGraw as Mr. Crane Adam Griffin as National Diagnostics Lab President Salma Shaw as Dr. Ambati Celia Schaefer as Mrs. Gansky Nathaniel J. Ryan as Security Guard Stephen Christopher Marshall as Mr. Gansky Nili Bassman as Mrs. Keller John Thomas Cramer as Mr. Keller Caitlin Morris as Teacher Justin R. G. Holcomb as Skittish Man Gustavo Pace as Ernesto