Real age of J.K. Simmons in Up in the Air
In the movie Up in the Air, J.K. Simmons was:
53 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 Up in the Air was released:
January 1, 2009
And the day in which J.K. Simmons was born:January 09, 1955
Since movies usually don't take more than one year to be released since the beginning of the filming process, J.K. Simmons may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.