How old was Justin Theroux in Rock of Ages?

There’s something captivating about discovering a celebrity’s age during a defining role. Knowing that can offer insight into their career stage and personal growth. We’ve tracked down that detail for you.

In Rock of Ages, Justin Theroux took on the role at the age of:

40 years old

According to our data, that’s how old the celebrity really was during the film.

This age was calculated based on the beginning of the release year of Rock of Ages:

January 1, 2012

And the date of birth of Justin Theroux:

August 10, 1971

Because movies often premiere within a year of starting production, Justin Theroux might have been either one year younger or older while filming some scenes.