He became known for his work alongside Pat Morita in The Karate Kid in 1984 and later played Johnny Cade in The Outsiders. His role as Jeremy Andretti in Eight Is Enough earned him additional fame.
He acted alongside Joe Pesci in My Cousin Vinny.
He starred in The Karate Kid with Elisabeth Shue.
He made his debut appearance through television commercials for Bubble Yum and Dr. Pepper. He made his film debut in Up the Academy, which hit theaters in 1980.
He met his future wife, Phyllis Fierro, at age fifteen through his grandmother, and they married in 1987. He has a daughter named Julia and a son named Daniel.