David Gallagher
- Compleanno:
- 02/09/1985
- Luogo di nascita:
- New York City, New York, USA:
 | Showbiz Kids (2020) Self (archive footage) |
 | Born and Missing (2017) Brian |
 | Hallucinogen (2015) Jake |
 | In Your Eyes (2014) Lyle |
 | Super 8 (2011) Donny |
 | Trophy Kids (2011) Reid Davis |
 | Betwixt (2010) |
 | Boogeyman 2 (2007) Mark |
 | The Picture of Dorian Gray (2007) Dorian Gray |
 | The Quiet (2005) Brian |
 | Kart Racer (2003) Scott McKenna |
 | Little Secrets (2001) David |
| | The New Adventures of Spin and Marty: Suspect Behavior (2000) Marty Markham |
 | The Power of One: The Pokémon 2000 Movie Special (2000) Self |
 | Richie Rich's Christmas Wish (1998) Richie Rich |
 | Angels in the Endzone (1997) Kevin Harper |
 | Phenomenon (1996) Al |
 | Bermuda Triangle (1996) Sam |
 | Summer of Fear (1996) Zack |
 | It Was Him or Us (1995) Stevie Pomeroy |
 | Look Who's Talking Now! (1993) Mikey Ubriacco |