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 Brendan Beiser as Agent Sean Pendrell John Neville as Well-Manicured Man Stefan Arngrim as Prisoner Jan Rubeš as Vassily Peskow Co Starring Malcolm Stewart as Dr. Sacks Brent Stait as Timothy Mayhew Campbell Lane as Committee Chairman Jessica Schreier as Dr Bonita Charne-Sayre Eileen Pedde as Angie Brenda McDonald as Auntie Janet Robin Mossley as Dr. Kingsley Looker Pamela MacDonald as Nurse