To see more  samples of his work visit his web site: http://www.digitalmatte.com/

Filmography:

-Apocalypto (2006) (digital matte artist: Svengali Visual Effects)
-The Passion of the Christ (2004) (matte artist)
-The League of Extraordinary Gentlemen (2003) (matte painter)
-Star Wars: Episode II - Attack of the Clones (2002) (digital matte artist: ILM)
-To Ease the Loss (2001) (matte artist)
-Mission to Mars (2000) (digital matte artist: ILM)
-Star Wars: Episode I - The Phantom Menace (1999) (digital matte artist: ILM)
-The Mummy (1999) (matte painter: ILM)
-Antz (1998) (additional digital matte painter)
-Pleasantville (1998) (digital matte paintings: Compound Eye)
-Starship Troopers (1997) (visual effects supervisor: Compound Eye)
-Nixon (1995) (digital matte paintings)
-Wyatt Earp (1994) (matte painter)
-The Hudsucker Proxy (1994) (matte painter)
-Toys (1992) (matte painter)
-The Public Eye (1992) (matte painter)
-Death Becomes Her (1992) (matte painter: ILM)
-Highway to Hell (1992) (matte painter)
-Bugsy (1991) (matte painter)
- Hook (1991) ( supervising matte artist)
-The Rocketeer (1991) (chief matte painter)
-Backdraft (1991) (matte painter: ILM)
-The Doors (1991) (matte artist: ILM)
-RoboCop 2 (1990) (stop-motion technician: robot monster crew)
-Dreams (1990) (visual effects supervisor)
-Catchfire (1990) (miniatures)
-The Big Picture (1989) (visual effects)
-The Abyss (1989) (matte consultant: ILM)
-Ghostbusters II (1989) (matte painting supervisor: ILM)
-Indiana Jones and the Last Crusade (1989) (matte painting supervisor)
-Paint It Black (1989) (matte painter)
-Rain Man (1988) (matte painting)
-The Blob (1988) (stop-motion animator)
-The Night Train to Kathmandu (1988) (TV) (matte artist)
-Killer Klowns from Outer Space (1988) (matte painter)
-Vibes: The Secret of the Golden Pyramids (1988) (matte painting)
-Throw Momma from the Train (1987) (matte artist)
-Nadine (1987) (special visual effects)
-Who's That Girl (1987) (matte artist)
-House II: The Second Story (1987) (matte painting) (stop motion flying creatures)
-My Demon Lover (1987) (matte artist)
- Ishtar (1986) (matte painting)
-Allan Quatermain and the Lost City of Gold (1986) (matte painter) 
- DARYL(1985)(matte artist)
- Sahara (1983) (matte artist)
 
 

Gallery:

Mark Sullivan working on a fantasy landscape painting for "Hook".
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Painting an interior view of a warehouse for  "The Hudsucker Proxy" 1994. The original plate. The final image.
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Mark  Sullivan at work on a painting- part of a giant rendering six feet tall and nineteen feet wide- that would eventually become the sprawling backdrop for the Rocketeer´s passage over the city. The movie was  "The Rocketeer" 1991

 

Before and after image from tyhe film "Ishtar"