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 Jerry Hardin as Deep Throat Rebecca Toolan as Teena Mulder John Finn as Michael Kritschgau Floyd "Red Crow" Westerman as Albert Hosteen Martin Grey as Agent Flagler Co Starring Arlene Pileggi as Skinner's Assistant Megan Leitch as Samantha Mulder Warren Sweeney as Dr. Harriman Brian George as Project Doctor Fritz Greve as Bearded Man Anthony Anselmi as Paramedic Andrew Cavarno as Dream Boy Henry Schwartz as Toddler Steven Cavarno as Dream Boy