David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Floyd "Red Crow" Westerman Albert Hosteen Guest Star Bernie Coulson Kenneth "The Thinker" Soona Guest Star William B. Davis Smoking Man Guest Star Bruce Harwood John Fitzgerald Byers Guest Star Tom Braidwood Melvin Frohike Guest Star Dean Haglund Richard "Ringo" Langly Guest Star Aurelio DiNunzio Antonio Guest Star Mitch Pileggi Asst. Dir. Walter Skinner Guest Star Michael David Simms Senior FBI Agent Guest Star Peter Donat William Mulder Guest Star Renae Morriseau Josephine Doane Guest Star Nicholas Lea Alex Krycek Guest Star Ken Camroux 2nd Senior Agent Guest Star Dakota House Eric Hosteen Guest Star Mitchell Davies Stealth Man Guest Star Chris Carter Executive Producer, Writer R.W. Goodwin Director