William Zabka is an American actor, producer, and director, best known for his role as Johnny Lawrence in the iconic 1984 film, The Karate Kid. He reprised this role in the popular Netflix series, Cobra Kai, which explores the lives of characters from the original film decades later. In addition to acting, Zabka has worked behind the scenes as a producer and director. He has received critical acclaim for his work in both film and television, showcasing his versatility in the entertainment industry. His contributions have made him a recognizable figure in pop culture.