How old was Michael Keaton 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, Michael Keaton was:

56 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 Michael Keaton was born:

September 05, 1951

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