Matthew Gray Gubler
Matthew Gray Gubler (born March 9, 1980) is an American actor, film director, painter, photographer, editor, and former fashion model. He is best known for his role as the young genius Dr. Spencer Reid in the CBS television show Criminal Minds, of which he has also directed four episodes. Gubler has appeared in (500) Days of Summer as Joseph Gordon-Levitt's best friend Paul and he is the voice of Simon Seville, one of the chipmunks from Alvin and the Chipmunks. Gubler has also directed and created several movies that were mostly filmed in his hometown of Las Vegas as well as New York City, prior to his graduation from NYU.