Ralph George Macchio Jr. is an American actor and producer. He is best known for playing Daniel LaRusso in three Karate Kid films and in Cobra Kai, a sequel television series. He also played Johnny Cade in The Outsiders, Jeremy Andretti in Eight Is Enough, Bill Gambini in My Cousin Vinny, Eugene Martone in Crossroads, and Archie Rodriguez in Ugly Betty, and had a recurring role as Officer Haddix in The Deuce.
-from Wikipedia