 | Score: A Film Music Documentary (2017) als Self |
 | Citizens of Cosmopolis (2012) als Self |
 | 100 Jahre Hollywood - Die Carl Laemmle Story (2011) als Self |
 | Scoring the Silence (2006) als Self |
 | The Art of Imagination: A Tribute to Oz (2005) als Himself |
 | The Blues Brothers: Transposing The Music (2005) als Self |
 | Creating the Lord of the Rings Symphony (2004) als Self |
 | Ed Wood: The Theremin (2004) als Self - Composer |
 | People Like Us: Making 'Philadelphia' (2004) als Self |
 | The Lord of the Rings: The Return of the King (2003) als Drinking Rohan Soldier (uncredited) |
 | The Making of The Fellowship of the Ring (2002) als Self |
 | Inside the Labyrinth: The Making of 'The Silence of the Lambs' (2001) als Self |
 | Gilda Live (1980) als Candy Slice Group singer |
 | The Shrouds Original Music Composer |
 | Drift Original Music Composer |
 | The Pale Blue Eye Music |
 | The Lord of the Rings: The Rings of Power Global Fan Screening Music |
 | Crimes of the Future Original Music Composer |
 | Pieces of a Woman Original Music Composer |
 | Funny Boy Original Music Composer |
| | Funny Boy Producer |
 | Le prince oublié Original Music Composer |
 | The Song of Names Original Music Composer |
 | The Catcher Was a Spy Original Music Composer |
 | Denial Original Music Composer |
 | Spotlight Original Music Composer |
 | The Hobbit: The Battle of the Five Armies Original Music Composer |
 | Rosewater Original Music Composer |
 | Maps to the Stars Original Music Composer |
 | The Hobbit: The Desolation of Smaug Original Music Composer |
 | The Ephemerol Diaries: Ein Interview Mit Stephen Lack Original Music Composer |
 | The Hobbit: An Unexpected Journey Original Music Composer |
| | The Hobbit: An Unexpected Journey Conductor |
| | The Hobbit: An Unexpected Journey Orchestrator |
 | Cosmopolis Original Music Composer |
 | Hugo Original Music Composer |
 | A Dangerous Method Original Music Composer |
 | The Twilight Saga: Eclipse Original Music Composer |
 | Edge of Darkness Original Music Composer |
 | Doubt Original Music Composer |
 | Chacun son cinema ou Ce petit coup au coeur quand la lumiere s'eteint et que le film commence Original Music Composer |
 | Eastern Promises Original Music Composer |
 | The Last Mimzy Original Music Composer |
 | The Departed Original Music Composer |
 | A History of Violence Original Music Composer |
| | Lord of the Brush Original Music Composer |
 | The Aviator Original Music Composer |
| | The Lord of the Rings: The Return of the King Original Music Composer |
 | The Lord of the Rings: The Two Towers Original Music Composer |
 | Gangs of New York Original Music Composer |
 | Spider Original Music Composer |
 | Panic Room Original Music Composer |
 | The Lord of the Rings: The Fellowship of the Ring Original Music Composer |
 | The Score Original Music Composer |
 | Esther Kahn Original Music Composer |
 | Camera Original Music Composer |
 | The Cell Original Music Composer |
 | The Yards Original Music Composer |
| | The Yards Conductor |
| | The Yards Orchestrator |
 | High Fidelity Original Music Composer |
 | Dogma Original Music Composer |
 | eXistenZ Original Music Composer |
 | Analyze This Original Music Composer |
 | Gloria Original Music Composer |
 | The Game Original Music Composer |
 | Cop Land Original Music Composer |
 | Looking for Richard Original Music Composer |
 | That Thing You Do! Original Music Composer |
 | Crash Original Music Composer |
 | Striptease Original Music Composer |
 | The Truth About Cats & Dogs Original Music Composer |
 | Before and After Original Music Composer |
 | White Man's Burden Original Music Composer |
 | Moonlight and Valentino Original Music Composer |
 | Se7en Original Music Composer |
 | Nobody's Fool Original Music Composer |
 | Ed Wood Original Music Composer |
 | The Client Original Music Composer |
 | Philadelphia Original Music Composer |
 | Mrs. Doubtfire Original Music Composer |
 | M. Butterfly Original Music Composer |
 | Guilty as Sin Original Music Composer |
 | Sliver Original Music Composer |
 | Single White Female Original Music Composer |
 | Prelude to a Kiss Original Music Composer |
 | Naked Lunch Original Music Composer |
 | A Kiss Before Dying Original Music Composer |
| | A Kiss Before Dying Conductor |
 | The Silence of the Lambs Original Music Composer |
 | Made in Milan Original Music Composer |
 | The Local Stigmatic Music |
 | She-Devil Original Music Composer |
 | The Lemon Sisters Original Music Composer |
 | An Innocent Man Original Music Composer |
 | Signs of Life Original Music Composer |
 | Dead Ringers Original Music Composer |
 | Big Original Music Composer |
 | Nadine Original Music Composer |
 | Heaven Original Music Composer |
 | The Fly Original Music Composer |
| | The Fly Conductor |
 | Fire with Fire Music |
 | After Hours Original Music Composer |
 | Places in the Heart Additional Music |
 | Nothing Lasts Forever Original Music Composer |
 | Videodrome Original Music Composer |
 | Scanners Original Music Composer |
 | The Brood Original Music Composer |
 | I Miss You, Hugs and Kisses Original Music Composer |