David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Charles Cioffi Section Chief Scott Blevins Guest Star Cliff DeYoung Dr. Jay Nemman Guest Star Sarah Koskoff Theresa Nemman Guest Star Leon Russom Detective Miles Guest Star Zachary Ansley Billy Miles Guest Star Stephen E. Miller Coroner Truitt Guest Star Malcolm Stewart Dr. Glass Guest Star Alexandra Berlin Orderly Guest Star Jim Jansen Dr. Heitz Werber Guest Star Ken Camroux Third Man Guest Star Doug Abrahams Patrolman 1 Guest Star William B. Davis Smoking Man Guest Star Katya Gardner Peggy O'Dell Guest Star Ric Reid Asst. Coroner Guest Star Lesley Ewen Receptionist Guest Star J.B. Bivens Truck Driver Guest Star Chris Carter Writer Robert Mandel Director