David Duchovny FBI Special Agent Fox Mulder Actor Gillian Anderson FBI Special Agent Dana Scully Actor Robert Patrick John Doggett Actor Mitch Pileggi Asst. Dir. Walter Skinner Actor Annabeth Gish Monica Reyes Guest Star Judd Trichter Richie Szalay Guest Star Bernard White Dr. Desai Guest Star Arlene Warren Skinner's Assistant Guest Star Sarah Koskoff Theresa Nemman Hoese Guest Star Roz Witt Night Nurse Guest Star Roy Thinnes Jeremiah Smith Guest Star Judson Scott Absalom Guest Star Randy Ross Nike Man Guest Star John McGonegle Uniformed Cop Guest Star Eddie Kaye Thomas Gary Edward Cory Guest Star Chris Carter Executive Producer, Writer Kim Manners Director Frank Spotnitz Writer