Real age of Joshua Jackson in The Skulls
In the movie The Skulls, Joshua Jackson was:
21 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 The Skulls was released:
January 1, 2000
And the day in which Joshua Jackson was born:June 11, 1978
Since movies usually don't take more than one year to be released since the beginning of the filming process, Joshua Jackson may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.