Cigarette-Smoking Man - The X-Files

The X-Files

Guest cast, played by William B. Davis

Episode 1x01: Pilot (Sep 10, 1993)
Episode 1x16: Young at Heart (Feb 11, 1994)
Episode 1x21: Tooms (Apr 22, 1994)
Episode 1x24: The Erlenmeyer Flask (May 13, 1994)
Episode 2x01: Little Green Men (Sep 16, 1994)
Episode 2x04: Sleepless (Oct 7, 1994)
Episode 2x06: Ascension (Oct 21, 1994)
Episode 2x08: One Breath (Nov 11, 1994)
Episode 2x22: F. Emasculata (Apr 28, 1995)
Episode 2x25: Anasazi (May 19, 1995)
Episode 3x01: The Blessing Way (Sep 22, 1995)
Episode 3x02: Paper Clip (Sep 29, 1995)
Episode 3x10: 731 (2) (Dec 1, 1995)
Episode 3x16: Apocrypha (Feb 16, 1996)
Episode 3x21: Avatar (Apr 26, 1996)
Episode 3x23: Wetwired (May 10, 1996)
Episode 3x24: Talitha Cumi (May 17, 1996)
Episode 4x01: Herrenvolk (Oct 4, 1996)
Episode 4x07: Musings of a Cigarette-Smoking Man (Nov 17, 1996)
Episode 4x08: Tunguska (Nov 24, 1996)
Episode 4x09: Terma (Dec 1, 1996)
Episode 4x14: Memento Mori (Feb 9, 1997)
Episode 4x21: Zero Sum (Apr 27, 1997)
Episode 5x01: Redux (1) (Nov 2, 1997)
Episode 5x02: Redux (2) (Nov 9, 1997)
Episode 5x14: The Red and the Black (Mar 8, 1998)
Episode 5x20: The End (May 17, 1998)
Episode 6x01: The Beginning (Nov 8, 1998)
Episode 6x03: Triangle (Nov 22, 1998)
Episode 6x11: Two Fathers (Feb 7, 1999)
Episode 6x12: One Son (Feb 14, 1999)
Episode 6x22: Biogenesis (May 16, 1999)
Episode 7x02: The Sixth Extinction: Amor Fati (Nov 14, 1999)
Episode 7x11: Closure (Feb 13, 2000)
Episode 7x15: En Ami (Mar 19, 2000)
Episode 7x22: Requiem (May 21, 2000)
Episode 9x19: The Truth (1) (May 19, 2002)
Episode 9x20: The Truth (2) (May 19, 2002)
Episode 10x01: My Struggle (Jan 24, 2016)
Episode 10x05: Babylon (Feb 15, 2016)
Episode 10x06: My Struggle II (Feb 22, 2016)
Episode 11x01: My Struggle III (Jan 3, 2018)
Episode 11x05: Ghouli (Jan 31, 2018)
Episode 11x10: My Struggle IV (Mar 21, 2018)