Does William Zabka actually know karate?

Zabka didn’t know any karate before his role in The Karate Kid. He learned the skills on set through the film’s trainer, Pat Johnson. According to The Wrap, “Zabka stuck with the martial art form and made it all the way to a second-degree green belt (about midway to black belt).”

Do Cobra Kai stars actually know karate?

While Cobra Kai star Ralph Macchio does not have a black belt in karate in real life, the quote above shows that he still attempts to do his own stunts for both the hit Netflix series and the franchise as a whole.

Does Ralph Macchio know karate?

Yes, Cobra Kai star Ralph Macchio knows karate.