Special Guest Stars Mimi Rogers as Agent Diana Fowley Guest Stars Mitch Pileggi as Assistant Director Walter Skinner William B. Davis as Cigarette-Smoking Man Nicholas Lea as Agent Alex Krycek Floyd "Red Crow" Westerman as Albert Hosteen Michael Ensign as Dr. Barnes Michael Chinyamurindi as Dr. Soloman Merkmallen Murray Rubinstein as Dr. Sandoz Co Starring Bill Dow as Dr. Charles Burks Warren Sweeney as Dr. Harriman Chet Grissom as Detective Sheila Tousey as Native American Nurse Marty Zagon as Landlord Ayo Adeyemi as African Man #1 Benjamin Ochieng as African Man #2 Samuel Kwaku Minta as Yelling Man