Jonathan Jacob Charles William Smith (born January 21, 1990) is an American actor. He is perhaps best known for his role in the film Cheaper by the Dozen and its 2005 sequel, as well as his role as Brian in the 2000 Disney Channel Original Movie Phantom of the Megaplex.
Smith was born in Monrovia, California. He has a brother, Nathan, and a sister, Natasha. Smith was in a punk/rock band called My September Story. He enjoys skateboarding, and was also a member of a sponsored skating team in his hometown.