Episode Top Secret Adaptation: House MD Episode: 3x16 Airdate: 27 March 2007 IMDb: Top Secret (link not verified) Previous: Half-Wit Next: Fetal Position Cast Hugh Laurie as Dr. Gregory House Robert Sean Leonard as Dr. James Wilson Hira Ambrosino as Anesthesiologist Jennifer Morrison as Dr. Allison Cameron Jesse Spencer as Dr. Robert Chase Lisa Edelstein as Dr. Lisa Cuddy Alexander Hall as Doctor Marco Morales as Cpl. Foley Omar Epps as Dr. Eric Foreman Bert Belasco as PFC Garcia Annie Quinn as Gina Marc Blucas as John Kelley Bobbin Bergstrom as Nurse Keisha Alfred as Technician