How old was Josh Hartnett in Thirteen?

It's common to wonder how old a celebrity was when they starred in a particular film. Knowing that can offer insight into their career stage and personal growth. Let’s take a closer look at that intriguing number.

The age of Josh Hartnett while starring in Thirteen was:

24 years old

Our analysis shows that this was the celebrity’s true age during filming.

Our method involved using the first calendar day of the release year of Thirteen:

January 1, 2003

And the birth day of Josh Hartnett, that is:

July 21, 1978

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