Real age of Paul Giamatti in Barney's Version
In the movie Barney's Version, Paul Giamatti was:
42 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 Barney's Version was released:
January 1, 2010
And the day in which Paul Giamatti was born:June 06, 1967
Since movies usually don't take more than one year to be released since the beginning of the filming process, Paul Giamatti may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.