Gained fame for his starring role as Kevin Arnold on the ABC drama The Wonder Years, which aired from 1988 to 1993. He later became a director, with credits on such TV series as It's Always Sunny in Philadelphia, Modern Family and 2 Broke Girls.
He began acting at age 9 after landing a role in The Boy Who Could Fly.
He majored in English at Stanford University.
He starred alongside Dan Lauria on The Wonder Years.