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 Brent Stait as Timothy Mayhew Malcolm Stewart as Dr. Sacks Campbell Lane as Committee Chairman Eileen Pedde as Angie Jessica Schreier as Dr Bonita Charne-Sayre Brenda McDonald as Auntie Janet Robin Mossley as Dr. Kingsley Looker Pamela MacDonald as Nurse