
Mark Snow (born Martin Fulterman; August 26, 1946 – July 4, 2025) was an American composer for film and television. Among his most famous compositions is the theme and incidental music for the science fiction television series The X-Files. The X Files instrumental was released as a single in the United Kingdom, where the series aired on BBC Two and BBC One in early 1996, peaking at number two on the UK Singles Chart. Snow also wrote the music for another Chris Carter series, Millennium, and the background music scores for both shows, a total of 12 seasons. Snow composed scores for notable television, including Hart to Hart, Starsky & Hutch (season 3), and Smallville.
The New Mutants 2020
Original Music Composer
Implanted Memories: 25 Years of the X-Files 2018
Original Music Composer
Life of Riley 2014
Original Music Composer
You Ain't Seen Nothin' Yet 2012
Original Music Composer
The Hunters 2011
Original Music Composer
Wild Grass 2009
Original Music Composer
Hidden Treasure of the Mississippi 2008
Original Music Composer
The X-Files: I Want to Believe 2008
Original Music Composer
The Hamlet Adventure 2008
Music
Private Fears in Public Places 2006
Original Music Composer
Odd Girl Out 2005
Original Music Composer
Defenders of Justice: The Story of The Lone Gunmen 2005
as Self
Helter Skelter 2004
Original Music Composer
She's Too Young 2004
Original Music Composer
Paradise 2004
Original Music Composer
D.C. Sniper: 23 Days of Fear 2003
Original Music Composer
Critical Assembly 2003
Music
For Love of Olivia 2001
Music
Sole Survivor 2000
Original Music Composer
Dirty Pictures 2000
Original Music Composer
Murder, She Wrote: A Story to Die For 2000
Original Music Composer
Another Woman's Husband 2000
Original Music Composer
Code Name: Phoenix 2000
Music
In the Name of the People 2000
Original Music Composer
Crazy in Alabama 1999
Original Music Composer
A Touch of Hope 1999
Original Music Composer
A Memory in My Heart 1999
Original Music Composer
Stranger in My House 1999
Music
Mr. Murder 1998
Original Music Composer
Disturbing Behavior 1998
Original Music Composer
The X-Files 1998
Original Music Composer, Conductor
The Day Lincoln Was Shot 1998
Original Music Composer
Inside The X-Files 1998
Music
The Making of 'The X Files: Fight the Future' 1998
as Self
Cloned 1997
Original Music Composer
Night Sins 1997
Music
Blessed Assurance 1997
Music
The Perfect Mother 1997
Music
Payback 1997
Original Music Composer
A Loss of Innocence 1996
Music
Summer of Fear 1996
Original Music Composer
Special Report: Journey to Mars 1996
Music
Forgotten Sins 1996
Original Music Composer
Conundrum 1996
Original Music Composer
Project: ALF 1996
Original Music Composer
In the Line of Duty: Smoke Jumpers 1996
Music
Mixed Blessings 1995
Music
In the Line of Duty: Hunt for Justice 1995
Original Music Composer
Trial by Fire 1995
Original Music Composer
The Unspoken Truth 1995
Original Music Composer
Down, Out and Dangerous 1995
Music
Seduced and Betrayed 1995
Music
Born to Be Wild 1995
Original Music Composer
A Stranger in Town 1995
Music
Texas Justice 1995
Original Music Composer
Her Final Fury: Betty Broderick, the Last Chapter 1994
Music
Shadows of Desire 1994
Original Music Composer
Moment of Truth: Caught in the Crossfire 1994
Original Music Composer
The Substitute Wife 1994
Original Music Composer
Playmaker 1994
Original Music Composer
Credits from TMDB.