Guest Stars Mitch Pileggi as Assistant Director Walter Skinner Annabeth Gish as Special Agent Monica Reyes Nicholas Lea as Agent Alex Krycek Sheila Larken as Margaret Scully Zachary Ansley as Billy Miles Kirk B.R. Woller as Agent Gene Crane Denise Crosby as Dr. Mary Speake Jay Acovone as Duffy Haskell Steven Anderson as Dr. James Parenti David Purdham as Dr. Lev Frances Fisher as Lizzie Gill Co Starring Arlene Pileggi as Woman Party-Goer #1 Karon Kearney as Woman Party-Goer #2
