How old was Jack Black in Tenacious D: The Complete Masterworks 2?

It's common to wonder how old a celebrity was when they starred in a particular film. Age can be a surprising factor in how we perceive talent and maturity. We’re about to uncover that piece of the puzzle.

In the movie Tenacious D: The Complete Masterworks 2, Jack Black was:

38 years old

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

To determine the age, we considered the first day of the year Tenacious D: The Complete Masterworks 2 premiered:

January 1, 2008

And also the day Jack Black was born:

August 28, 1969

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