Seth Green started acting at age 6. He was in a movie with Alyson Hannigan called My Stepmother is an Alien(they dated int the movie 2). He did so good on the show and everyone liked him so he is one of the main people in the show.He was also in the movies Austin Powers, Can't Hardly Wait, Airborne and others, he has also appeared in The X-Files, The Wonder YEars, The Drew Carey Show and more.
Oz