Mason Wilson Gamble (born January 16, 1986 in Chicago, Illinois) is an American actor best known for his portrayal of Dennis Mitchell in the 1993 film "Dennis the Menace" and as Jason Schwartzman's sidekick, Dirk Calloway, in Wes Anderson and Owen Wilson's critically acclaimed 1998 film, "Rushmore". He also appeared in "Anya's Bell" with Della Reese, starring as a dyslexic boy. Wikipedia
The definitive Wikipedia entry for Mason Gamble. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mason_Gamble
Mason began his film-acting career at age six when director Harold Ramis cast him in Groundhog Day (1993). Three months later, Mason won the title role in the hit comedy, Dennis the Menace (1993). He was chosen from twenty thousand other hopefuls in a nat www.imdb.com/name/nm0001253/