
Steadily working since then, he has tackled multiple genres and is known to adapt to any style given to him. He also mentored director Robert Rodriguez on scoring and has collaborated with him on a few scores. Debney has received an Oscar nomination for The Passion of the Christ and won three Emmys, for The Cape (not this one), SeaQuest DSV and The Young Riders. He is currently one of the composers working on The Orville.
Debney also has the distinction of having written music for Star Trek, Doctor Who, DC (he scored the ill-fated Justice League of America pilot) and Marvel (Iron Man 2)!
And he scored the pilot of Young Sheldon (thanks to being the director Jon Favreau's Associated Composer).
Among the films scored by Debney:
- Jetsons: The Movie (1990)
- Hocus Pocus (1993) - with James Horner supplying "Sarah's Theme" - and Hocus Pocus 2 (2022)
- White Fang 2: Myth of the White Wolf (1994)
- Little Giants (1994)
- Cutthroat Island (1995)
- Sudden Death (1995)
- Doctor Who (Made-for-TV Movie) (1996)
- The Relic (1997)
- Liar Liar (1997) - theme by James Newton Howard
- I Know What You Did Last Summer (1997)
- Inspector Gadget (1999)
- Dick (1999)
- The Adventures of Elmo in Grouchland (1999)
- End of Days (1999)
- The Replacements (2000)
- The Emperor's New Groove (2000)
- G-Saviour (2000)
- Spy Kids and its first sequel (2001, 2002) - with Robert Rodriguez (both films), Danny Elfman (first film) and Harry Gregson-Williams (first film)
- Cats & Dogs (2001)
- The Princess Diaries and its sequel (2001, 2004)
- Jimmy Neutron: Boy Genius (2001)
- Snow Dogs (2002)
- The Scorpion King (2002)
- The Tuxedo (2002) - with Christophe Beck
- The Hot Chick (2002)
- Bruce Almighty and Evan Almighty (2003, 2007)
- Elf (2003)
- Looney Tunes: Back in Action (2003) - last quarter only (rest of the film scored by Jerry Goldsmith)
- The Passion of the Christ (2004) - nominated for Academy Award
- Spider-Man 2 and Spider-Man 3 (2004, 2007) - with Danny Elfman (2 only) and Christopher Young (2 and 3)
- Sin City (2005) - with Robert Rodriguez and Graeme Revell (Debney only scored the segment "The Big Fat Kill").
- Chicken Little (2005)
- Zathura (2005)
- Duma (2005) - with George Acogny
- The Mummy: Tomb of the Dragon Emperor (2008) - Additional music only (film scored by Randy Edelman)
- Hotel for Dogs (2009)
- Hannah Montana: The Movie (2009)
- Valentine's Day (2010)
- Iron Man 2 (2010)
- Predators (2010) - also adapted Alan Silvestri's theme
- Machete (2010) - with Robert Rodriguez and his band, Chingon
- Yogi Bear (2010)
- No Strings Attached (2011)
- The Change-Up (2011) - with Theodore Shapiro
- Dream House (2011)
- New Year's Eve (2011)
- A Thousand Words (2012)
- The Three Stooges (2012)
- The SpongeBob Movie: Sponge out of Water (2015)
- The Jungle Book (2016)
- Mother's Day (2016)
- Ice Age: Collision Course (2016)
- The Greatest Showman (2017)
- The Beach Bum (2019)
- Dora and the Lost City of Gold (2019) - with Germaine Franco
- Luck (2022)
Debney has also written the themes for the following TV shows:
- The Cape - we repeat - not this one, this was a 1996 series made for First-Run Syndication about astronauts.
- Dink, the Little Dinosaur
- Disney's Wonderful World
- Dragon's Lair
- The Lazarus Man
- The Pretender (first season)
- A Pup Named Scooby-Doo
- SeaQuest DSV
- Supah Ninjas
- The Young Riders