William Brent
- Compleanno:
- 10/15/1995
- Luogo di nascita:
- Palm Beach County, Florida, USA:
 | The Lost Medallion: The Adventures of Billy Stone (2013) Billy Stone |
 | Monster Mutt (2011) Zack Taylor (as Billy Unger) |
 | You Again (2010) Ben |
 | A Turtle's Tale: Sammy's Adventures (2010) Hatchling Sammy (voice) |
 | Rock Slyde (2010) Young Rock (as Billy Unger) |
 | The Invited (2010) Additional Voices (voice, as Billy Unger) |
 | Opposite Day (2009) Sammy Benson |
 | Jack and the Beanstalk (2009) Prince Charming |
 | Children of the Corn (2009) Additional Voices (voice) |
 | Crank: High Voltage (2009) Young Chev |
 | Bride Wars (2009) (voice) |
 | Changeling (2008) Screaming Boy (voice, uncredited) |
 | Cop Dog (2008) Robby North (as Billy Unger) |
 | National Treasure: Book of Secrets (2007) Charles Gates |
 | Paved New World Funch |