How old was Josh Hartnett in O?

Knowing a celebrity’s age during a specific movie can be oddly satisfying. It adds depth to our understanding of a celebrity’s experience. Let’s reveal how old they were when the cameras rolled.

Josh Hartnett was this age when he appeared in O:

22 years old

That was the real age of the celebrity according to our calculation.

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

January 1, 2001

And the birth day of Josh Hartnett, that is:

July 21, 1978

Given the typical time period between the filming and the release date, Josh Hartnett could have been a year older or younger than the age shown when some scenes were being filmed.