Special Guest Stars Fritz Weaver as Senator Sorenson Guest Stars Mitch Pileggi as Assistant Director Walter Skinner William B. Davis as Cigarette-Smoking Man Nicholas Lea as Agent Alex Krycek Laurie Holden as Marita Covarrubias Brendan Beiser as Agent Sean Pendrell John Neville as Well-Manicured Man Andy Thompson as Customs Agent Co Starring Brent Stait as Timothy Mayhew Malcolm Stewart as Dr. Sacks Stefan Arngrim as Prisoner Campbell Lane as Committee Chairman David Bloom as Stress Man