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 James Pickens, Jr. as Deputy Director Alvin Kersh Chris Owens as Special Agent Jeffrey Spender Jeff Gulka as Gibson Praise Wendie Malick as Assistant Director Maslin Christopher Neiman as First Carpool Scientist Arthur Taxier as Assistant Director Bart Kim Robillard as Homer Alan Henry Brown as Second Carpool Scientist Co Starring Don S. Williams as Elder #1 George Murdock as Elder #3 Benito Martinez as Orderly Wayne Alexander as Assistant Director Arnold Wayne Thomas Yorke as Workman #1 Ralph Meyering, Jr. as Surgeon Rick Millikan as Sandy Scott Eberlein as Black Haired Man