20.10.1965 (59 years) (New York City, New York, USA)
William Michael Zabka (born October 20, 1965) is an American actor, screenwriter, director and producer. He is best known for his roles in several iconic 1980s films, such as his role as Johnny Lawrence in The Karate Kid (1984). In 2004, he was nominated for an Academy Award for co-writing and producing the short film Most.