William Brent

The Lost Medallion: The Adventures of Billy Stone(2013)

Billy Stone

Monster Mutt(2011)

Zack Taylor (as Billy Unger)

You Again(2010)

Ben

The Invited(2010)

Additional Voices (voice, as Billy Unger)

A Turtle's Tale: Sammy's Adventures(2010)

Hatchling Sammy (voice)

Rock Slyde(2010)

Young Rock (as Billy Unger)

Jack and the Beanstalk(2009)

Prince Charming

Opposite Day(2009)

Sammy Benson

Crank: High Voltage(2009)

Young Chev

Children of the Corn(2009)

Additional Voices (voice)

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