Guest Stars Mitch Pileggi as Assistant Director Walter Skinner William B. Davis as Cigarette-Smoking Man Nicholas Lea as Agent Alex Krycek Peter Donat as Bill Mulder Floyd "Red Crow" Westerman as Albert Hosteen Co Starring Tom Braidwood as Melvin Frohike Bruce Harwood as John Fitzgerald Byers Dean Haglund as Richard "Ringo" Langly Ken Camroux-Taylor as Senior Agent #2 Michael David Simms as Senior FBI Agent Paul McLean as Agent Kautz Dakota House as Eric Hosteen Renae Morriseau as Josephine Doane Bernie Coulson as Kenneth Soona aka The Thinker Mitchell Davies as Stealth Man