How old was Ed O'Neill in K-9?

You might be surprised to learn how young—or old—some stars were in iconic scenes. It can shift our perspective on their journey and achievements. We’re about to uncover that piece of the puzzle.

At the moment the movie K-9 was being made, Ed O'Neill was:

42 years old

According to our findings, that was the correct age of the celebrity.

Our method involved using the first calendar day of the release year of K-9:

January 1, 1989

And the date of birth of Ed O'Neill:

April 12, 1946

Because filming and release dates are relatively close but not the same, the real age of Ed O'Neill during production might differ by a year from the one displayed.