How old was Justin Theroux in Happy End?

It's common to wonder how old a celebrity was when they starred in a particular film. That detail can add a new layer of appreciation to their performance. Let’s dive into that fascinating detail.

During the filming of Happy End, Justin Theroux was:

31 years old

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

This age was calculated based on the beginning of the release year of Happy End:

January 1, 2003

And the birth date of Justin Theroux:

August 10, 1971

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