The X-Files Sleepless (Season 2, Episode 4)
TV-14
TV Episode | 45 min | Crime, Drama, Mystery

The X-Files

Sleepless (Season 2, Episode 4)

TV-14

TV Episode | 45 min | Crime, Drama, Mystery

Mulder is on the manhunt for a Vietnam veteran who can project his consciousness into other people's minds to kill them. Mulder and Agent Krycek try to uncover the conspiracy behind the killer's powers.

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Cast	+ Add Cast
17 cast members

Name	Known for
David Duchovny Fox Mulder Fox Mulder See fewer	The X-Files (1993)
Gillian Anderson Dana Scully Dana Scully See fewer	The X-Files (1993)
Mitch Pileggi Walter Skinner Walter Skinner See fewer	Basic Instinct (1992)
Nicholas Lea Alex Krycek Alex Krycek See fewer	Vertical Limit (2000)
Jon Gries Salvatore Matola (as Jonathan Gries) Salvatore Matola (as Jonathan Gries) See fewer	Napoleon Dynamite (2004)
Steven Williams Mr. X Mr. X See fewer	Jason Goes to Hell (1993)
Tony Todd Augustus Cole Augustus Cole See fewer	Candyman (1992)
Don Thompson Henry Willig Henry Willig See fewer	Slither (2006)
Dave Adams Dr. Francis Girardi (as David Adams) Dr. Francis Girardi (as David Adams) See fewer	Bad Santa (2003)
Michael Puttonen Dr. Pilsson Dr. Pilsson See fewer	Reindeer Games (2000)
Anna Hagan Dr. Charyn Dr. Charyn See fewer	Double Jeopardy (1999)
William B. Davis Smoking Man Smoking Man See fewer	The X-Files (1993)
Mitchell Kosterman Det. Horton (as Mitch Kosterman) Det. Horton (as Mitch Kosterman) See fewer	Smallville (2001)
Paul Bittante Team Leader Lt. Reagan Team Leader Lt. Reagan See fewer	5ive Days to Midnight (2004)
Claude De Martino Dr. Saul Grissom Dr. Saul Grissom See fewer	The Sentinel (1996)
Kelly Aisenstat Lab Technician (uncredited) Lab Technician (uncredited) See fewer	Live Bait (1995)
Anthony Harrison MTA Officer (uncredited) MTA Officer (uncredited) See fewer	Joe Finds Grace (2017)