Guest Stars Mitch Pileggi as Assistant Director Walter Skinner William B. Davis as Cigarette-Smoking Man Sheila Larken as Margaret Scully Steven Williams as Mr. X Melinda McGraw as Melissa Scully Don S. Davis as Captain William Scully Co Starring Tom Braidwood as Melvin Frohike Bruce Harwood as John Fitzgerald Byers Dean Haglund as Richard "Ringo" Langly Tegan Moss as Dana Scully Lorena Gale as Nurse Wilkins Jay Brazeau as Dr. Daly Michael Ryan as Overcoat Man Nicola Cavendish as Nurse Owens
