Real age of Zach Galifianakis in Youth in Revolt
In the movie Youth in Revolt, Zach Galifianakis was:
39 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Youth in Revolt was released:
January 1, 2009
And the day in which Zach Galifianakis was born:October 01, 1969
Since movies usually don't take more than one year to be released since the beginning of the filming process, Zach Galifianakis may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.