Dylan Baker and Brett Kelly in Trick 'r Treat (2007)

Wilmer Valderrama, Lewis Black, Dyllan Christopher, Quinn Shephard, Brett Kelly, Gia Mantegna, and Tyler James Williams in Unaccompanied Minors (2006)

Billy Bob Thornton, Tony Cox, and Brett Kelly in Bad Santa (2003)

Billy Bob Thornton and Brett Kelly in Bad Santa (2003)

Brett Kelly at an event for Bad Santa 2 (2016)

Billy Bob Thornton, Kathy Bates, Tony Cox, Christina Hendricks, and Brett Kelly at an event for Bad Santa 2 (2016)

Brett Kelly, Cole Evan Weiss, Neilen Benvegnu, Sean Berdy, Max Lloyd-Jones, James Willson, and Samantha Burton in The Sandlot 2 (2005)

Billy Bob Thornton, Bernie Mac, Tony Cox, and Brett Kelly in Bad Santa (2003)

Kathy Bates and Brett Kelly in Bad Santa 2 (2016)

Billy Bob Thornton and Brett Kelly in Bad Santa 2 (2016)

Wilmer Valderrama, Dyllan Christopher, Quinn Shephard, Brett Kelly, Gia Mantegna, and Tyler James Williams in Unaccompanied Minors (2006)

Dyllan Christopher, Quinn Shephard, Brett Kelly, Gia Mantegna, and Tyler James Williams in Unaccompanied Minors (2006)

Brett Kelly in Unaccompanied Minors (2006)