Jonathan D. Bennett is an American actor and model. He is known for his roles as Aaron Samuels in the 2004 comedy film Mean Girls, Bud McNulty in 2005's Cheaper by the Dozen 2 and the title character in the 2009 direct-to-DVD comedy Van Wilder: Freshman Year and his recurring roles as Casey Gant in the UPN mystery drama Veronica Mars and J.