Guest Stars Mitch Pileggi as Assistant Director Walter Skinner William B. Davis as Cigarette-Smoking Man Bethoe Shirkoff as Old Woman Jennifer Hetrick as Sharon Skinner Tom Mason as Detective Waltos Cal Traversy as Young Detective Co Starring Brendan Beiser as Agent Sean Pendrell Michael David Simms as Senior FBI Agent Morris Panych as Grey-Haired Man Amanda Tapping as Carina Sayles Malcolm Stewart as Agent Bonnecaze Tasha Simms as Jay Cassal Janie Woods-Morris as Lorraine Kelleher Stacy Grant as Judy Fairly