How old was William Zabka in The Karate Kid?

It's common to wonder how old a celebrity was when they starred in a particular film. It can shift our perspective on their journey and achievements. We’re about to uncover that piece of the puzzle.

During the filming of The Karate Kid, William Zabka was:

18 years old

Based on our estimate, that was the actual age of the celebrity at the time.

The age was estimated using the initial day of the year The Karate Kid came out:

January 1, 1984

And the date of birth of William Zabka, that is:

October 20, 1965

As films generally take less than a year from filming to release, the age of William Zabka during production could differ by a year from what’s shown.