Mason Gamble
Mason Wilson Gamble is an American actor known for his portrayal of Dennis Mitchell in the 1993 film Dennis the Menace, a role he got after beating out a reported 20,000 children who had auditioned, and as Jason Schwartzmans sidekick, Dirk Calloway, in Wes Anderson and Owen Wilsons critically acclaimed 1998 film Rushmore. He also appeared in Anyas Bell with Della Reese, starring as a dyslexic boy. In 1999, Gamble portrayed Brady Lang in the thriller Arlington Road. He had a featured role in the shortlived 2001 CBS drama Kate Brasher. Additionally, he had a small role as McCluckey in the 1996 comedy Spy Hard.
Gamble was born in Chicago, Illinois, the son of Sally and Tim Gamble, an actor. He graduated from Oak Park and River Forest High Schools class of 2004. He attended UCLA and graduated in 2008. He was member of the Pi Kappa Alpha Fraternity at UCLA.
Source: Wikipedia